a10c_178.md

Neuromancer : 178 주차

일시 : 2017.07.01 (178 주차 스터디 진행)

모임명 : neuromancer.kr

장소 : 토즈 분당서현점

참여인원 : 2명

============

178 주차

• 178 주차시작 위치
  • start_kernel 1 ~)/init/main.c
  • rest_init 2356 ~/init/main.c
  • find_task_by_pid_ns 1845 ~/init/main.c
  • pid_task 1329 return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);

178 주차 함수 호출 구조

• call: start_kernel()

• lockdep_init()
• smp_setup_processor_id()
• debug_objects_early_init()
• boot_init_stack_canary()
• cgroup_init_early()
• local_irq_disable()
• boot_cpu_init()
• page_address_init()
• pr_notice()
• setup_arch()
• mm_init_owner()
• mm_init_cpumask()
• setup_command_line
• build_all_zonelists()
• page_alloc_init()
• pr_notice()
• parse_early_param()
• parse_args()
• jump_label_init()
• setup_log_buf()
• pidhash_init()
• vfs_caches_init_early()
• sort_main_extable()
• trap_init()
• mm_init()
• sched_init()
• preempt_disable()
• irqs_disabled()
• local_irq_disabled()
• idr_init_cache()
• rcu_init()
• tick_nohz_init()
• contect_tracking_init()
• radix_tree_init()
• early_irq_init()
• init_IRQ()
• tick_init()
• init_timers()
• hrtimers_init()
• softirq_init()
• timekeeping_init()
• time_init()
• sched_clock_postinit()
• pref_event_init()
• profile_init()
• call_function_init()
• irqs_disabled()
• local_irq_enabled()
• kmem_cache_init_late()
• console_init()
• lockdep_init()
• lockdep_info()
• locking_selftest()
• virt_to_page()
• page_to_pfn()
• page_cgroup_init()
• debug_objects_mem_init()
• kmemleak_init()
• setup_per_cpu_pageset()
• numa_policy_init()
• sched_clock_init()
• calibrate_delay()
• pidmap_init()
• anon_vma_init()
• thread_info_cache_init()
• cred_init()
• fork_init()
• proc_caches_init()
• buffer_init()
• key_init()
• security_init()
• dbg_late_init()
• vfs_caches_init()
• signals_init()
• page_writeback_init()
• proc_root_init()
• cgroup_init()
• cpuset_init()
• taskstats_init_early()
• delayacct_init()
• check_bugs()
• acpi_early_init()
• sfi_init_late()
• efi_enabled(EFI_RUNTIME_SERVICES)
• ftrace_init()
• rest_init()

• rest_init()

• kernel_thread()
• do_fork()
• wake_up_new_task()
• activate_task()
• enqueue_task()
• enqueue_task_fair()
• enqueue_entity()

start_kernel()

• call: start_kernel()

• lockdep_init()
• smp_setup_processor_id()
• debug_objects_early_init()
• boot_init_stack_canary()
• cgroup_init_early()
• local_irq_disable()
• boot_cpu_init()
• page_address_init()
• pr_notice()
• setup_arch()
• mm_init_owner()
• mm_init_cpumask()
• setup_command_line
• build_all_zonelists()
• page_alloc_init()
• pr_notice()
• parse_early_param()
• parse_args()
• jump_label_init()
• setup_log_buf()
• pidhash_init()
• vfs_caches_init_early()
• sort_main_extable()
• trap_init()
• mm_init()
• sched_init()
• preempt_disable()
• irqs_disabled()
• local_irq_disabled()
• idr_init_cache()
• rcu_init()
• tick_nohz_init()
• contect_tracking_init()
• radix_tree_init()
• early_irq_init()
• init_IRQ()
• tick_init()
• init_timers()
• hrtimers_init()
• softirq_init()
• timekeeping_init()
• time_init()
• sched_clock_postinit()
• pref_event_init()
• profile_init()
• call_function_init()
• irqs_disabled()
• local_irq_enabled()
• kmem_cache_init_late()
• console_init()
• lockdep_init()
• lockdep_info()
• locking_selftest()
• virt_to_page()
• page_to_pfn()
• page_cgroup_init()
• debug_objects_mem_init()
• kmemleak_init()
• setup_per_cpu_pageset()
• numa_policy_init()
• sched_clock_init()
• calibrate_delay()
• pidmap_init()
• anon_vma_init()
• thread_info_cache_init()
• cred_init()
• fork_init()
• proc_caches_init()
• buffer_init()
• key_init()
• security_init()
• dbg_late_init()
• vfs_caches_init()
• signals_init()
• page_writeback_init()
• proc_root_init()
• cgroup_init()
• cpuset_init()
• taskstats_init_early()
• delayacct_init()
• check_bugs()
• acpi_early_init()
• sfi_init_late()
• efi_enabled()
• efi_late_init()
• efi_free_boot_services()
• ftrace_init()
• rest_init()

// ARM10C 20130824
asmlinkage void __init start_kernel(void)
{
	char * command_line;
	extern const struct kernel_param __start___param[], __stop___param[];
	// ATAG,DTB 정보로 사용

	/*
	 * Need to run as early as possible, to initialize the
	 * lockdep hash:
	 */
	lockdep_init();
	smp_setup_processor_id();
	debug_objects_early_init();

	/*
	 * Set up the the initial canary ASAP:
	 */
	boot_init_stack_canary();

	cgroup_init_early();
	// cgroup 를 사용하기 위한 cgroup_dummy_root, cgroup_subsys 의 구조체 초기화 수행

	local_irq_disable();
	// IRQ를 disable 함

	early_boot_irqs_disabled = true;
	// early_boot_irqs_disabled: true

/*
 * Interrupts are still disabled. Do necessary setups, then
 * enable them
 */
	boot_cpu_init();
	// 현재 cpu(core id)를 얻어서 cpu_XXX_bits[] 의 cpu를 셋한다.
	
	page_address_init();
	// 128개의 page_address_htable 배열을 초기화

	pr_notice("%s", linux_banner);
	// 배너:
	//	Linux version 2.6.37_DM385_IPNC_3.50.00
	// 	(a0875405@bangvideoapps01) (gcc version 4.5.3 20110311
	// 	(prerelease) (GCC) ) #1 Fri Dec 21 17:27:08 IST 2012

	setup_arch(&command_line);

	mm_init_owner(&init_mm, &init_task); // null function
	mm_init_cpumask(&init_mm); // null function

	// command_line: exynos5420-smdk5420.dts 파일의 chosen node 의 bootarg 값
	// "console=ttySAC2,115200 init=/linuxrc"
	setup_command_line(command_line);
	// saved_command_line 및 static_command_line 할당

	setup_nr_cpu_ids();
	setup_per_cpu_areas();
	// pcpu 구조체를 만들어 줌 (mm/percpu.c)

	smp_prepare_boot_cpu();	/* arch-specific boot-cpu hooks */
	// boot cpu 0의 pcpu 영역의 base주소를 core register에 설정해줌

	build_all_zonelists(NULL, NULL);

	page_alloc_init();
	// cpu_chain에 page_alloc_cpu_notify를 연결함 (mutex lock/unlock 사용)

	// boot_command_line: "console=ttySAC2,115200 init=/linuxrc"
	pr_notice("Kernel command line: %s\n", boot_command_line);
	// "Kernel command line: console=ttySAC2,115200 init=/linuxrc"

	parse_early_param();
	// setup_arch에서 수행했던 작업 다시 수행
	// command arg에서 각 요소들을 파싱하여 early init section으로 설정된 디바이스 초기화.
	// 우리는 serial device가 검색이 되지만 config설정은 없어서 아무것도 안함.

	// static_command_line: "console=ttySAC2,115200 init=/linuxrc"
	parse_args("Booting kernel", static_command_line, __start___param,
		   __stop___param - __start___param,
		   -1, -1, &unknown_bootoption);
	// DTB에서 넘어온 bootargs를 파싱하여 param, val을 뽑아내고 그에 대응되는
	// kernel_param 구조체에 값을 등록함.

	jump_label_init();
	// HAVE_JUMP_LABEL 이 undefined 이므로 NULL 함수

	/*
	 * These use large bootmem allocations and must precede
	 * kmem_cache_init()
	 */
	setup_log_buf(0);
	// defalut log_buf의 크기는 __LOG_BUF_LEN: 0x20000 (128KB) 임
	// early_param 에서 호출했던 log_buf_len 값이 있다면 log_buf의 크기를 넘어온 크기로 만듬

	pidhash_init();
	// pidhash의 크기를 16kB만큼 할당 받고 4096개의 hash list를 만듬

	vfs_caches_init_early();
	// Dentry cache, Inode-cache용 hash를 위한 메모리 공간을 각각 512kB, 256kB만큼 할당 받고,
	// 131072, 65536개 만큼 hash table을 각각 만듬

	sort_main_extable();
	// extable 을 cmp_ex를 이용하여 sort수행

	trap_init(); // null function

	mm_init();
	// buddy와 slab 을 활성화 하고 기존 할당 받은 bootmem 은 buddy,
	// pcpu 메모리, vmlist 는 slab으로 이관

	/*
	 * Set up the scheduler prior starting any interrupts (such as the
	 * timer interrupt). Full topology setup happens at smp_init()
	 * time - but meanwhile we still have a functioning scheduler.
	 */
	sched_init();
	// scheduler가 사용하는 자료 구조 초기화, idle_threads를 init_task로 세팅

	/*
	 * Disable preemption - early bootup scheduling is extremely
	 * fragile until we cpu_idle() for the first time.
	 */
	preempt_disable();
	// preempt count를 증가시켜 preemption 못하도록 막음

	// irqs_disabled(): 1
	if (WARN(!irqs_disabled(), "Interrupts were enabled *very* early, fixing it\n"))
		local_irq_disable();

	idr_init_cache();
	// integer ID management로 사용하는 idr_layer_cache에 kmem_cache#21 을 생성 및 초기화 후 할당

	rcu_init();
	// rcu 자료구조 bh, sched, preempt 를 각각 초기화 수행함

	tick_nohz_init(); // null function
	context_tracking_init(); // null function

	radix_tree_init();
	// radix tree로 사용하는 radix_tree_node_cachep에 kmem_cache#20을 생성 및 초기화 후 할당하고
	// height_to_maxindex을 초기화 수행

	/* init some links before init_ISA_irqs() */
	early_irq_init();
	// irq_desc 0 ~ 15 까지의 object을 할당 받고 초기화를 수행
	// allocated_irqs에 bit를 1로 세팅하고 radix tree에 각 irq_desc를 노트로 추가

	init_IRQ();
	// gic, combiner이 사용할 메모리 할당과 자료 구조 설정,
	// gic irq (0~15), combiner irq (32~63) interrupt 를 enable 시킴

	tick_init();
	// tick 관련 mask 변수를 0으로 초기화 수행

	init_timers();
	// boot_tvec_bases의 맴버 값을 초기화하고 timers_nb를 cpu_notifier 에 등록,
	// softirq_vec[1] 에 run_timer_softirq 등록하여 초기화 수행

	hrtimers_init();
	// hrtimer_bases의 맴버 값을 초기화하고 hrtimers_nb를 cpu_notifier 에 등록,
	// softirq_vec[8] 에 run_hrtimer_softirq 등록하여 초기화 수행

	softirq_init();
	// tasklet_vec, tasklet_hi_vec 맴버 값을 초기화하고,
	// softirq_vec[6]에 tasklet_action, softirq_vec[0]에 tasklet_hi_action 등록하여 초기화 수행

	timekeeping_init();
	// ntp 관련 전역변수 초기화, timekeeper, shadow_timekeeper의 맴버값 초기화 수행

	time_init();
	// timer 를 사용하기 위한 clk source, clk_table 메모리 할당 및 초기화,
	// timer event를 위한 timer irq (MCT) 초기화 수행

	sched_clock_postinit();
	// sched_clock_timer을 초기화 수행

	perf_event_init(); // null function
	profile_init(); // null function
	call_function_init();
	// 각 cpu core에서 사용할 call_single_queue를 맴버값 초기화
	// cfd_data 맴버값을 초기화하고 pcp에서 사용할 메모리 공간 할당
	// cpu_chain에 hotplug_cfd_notifier 를 등록함

	// irqs_disabled(): 1
	WARN(!irqs_disabled(), "Interrupts were enabled early\n");

	// early_boot_irqs_disabled: true
	early_boot_irqs_disabled = false;
	// early_boot_irqs_disabled: false

	local_irq_enable();
	// IRQ를 enable 함

	kmem_cache_init_late(); // null function

	/*
	 * HACK ALERT! This is early. We're enabling the console before
	 * we've done PCI setups etc, and console_init() must be aware of
	 * this. But we do want output early, in case something goes wrong.
	 */
	console_init();

	// panic_later: NULL
	if (panic_later)
		panic(panic_later, panic_param);

	lockdep_info(); // null function

	/*
	 * Need to run this when irqs are enabled, because it wants
	 * to self-test [hard/soft]-irqs on/off lock inversion bugs
	 * too:
	 */
	locking_selftest(); // null function

#ifdef CONFIG_BLK_DEV_INITRD // CONFIG_BLK_DEV_INITRD=y
	// initrd_start: NULL, initrd_below_start_ok: 0
	if (initrd_start && !initrd_below_start_ok &&
	    page_to_pfn(virt_to_page((void *)initrd_start)) < min_low_pfn) {
		pr_crit("initrd overwritten (0x%08lx < 0x%08lx) - disabling it.\n",
		    page_to_pfn(virt_to_page((void *)initrd_start)),
		    min_low_pfn);
		initrd_start = 0;
	}
#endif

	page_cgroup_init(); // null function
	debug_objects_mem_init(); // null function
	kmemleak_init(); // null function

	setup_per_cpu_pageset();
	// per cpu가 사용하는 pageset의 각각의 zone 맴버값 초기화 수행

	numa_policy_init(); // null function

	// late_time_init: NULL
	if (late_time_init)
		late_time_init();

	sched_clock_init();
	// sched_clock_running 값을 1 로 초기화 수행

	calibrate_delay();
	// BogoMIPS값을 결정하기위한 계산을 수행하고 결과를 출력함

	pidmap_init();
	// pidmap 을 사용하기 위한 초기화 수행

	anon_vma_init();
	// anon vma 를 사용하기 위한 kmem_cache 할당자 초기화 수행

#ifdef CONFIG_X86 // CONFIG_X86=n
	if (efi_enabled(EFI_RUNTIME_SERVICES))
		efi_enter_virtual_mode();
#endif
	thread_info_cache_init(); // null function
	cred_init();
	// credentials 를 사용하기 위한 kmem_cache 할당자 초기화 수행

	// totalram_pages: 총 free된 page 수
	fork_init(totalram_pages);
	// task_struct 를 사용하기 위한 kmem_cache 할당자 초기화 수행
	// max_threads값을 계산하여 init_task에 threads값의 limit 값 설정함

	proc_caches_init();
	// sighand_struct, signal_struct, files_struct, fs_struct, mm_struct, vm_area_struct, nsproxy
	// 를 사용하기 위한 kmem_cache 할당자 및 percpu list 초기화 수행

	buffer_init();
	// buffer_head 를 사용하기 위한 kmem_cache 할당자 및 max_buffer_heads 값 초기화 수행

	key_init(); // null funtion
	security_init(); // null funtion
	dbg_late_init(); // null funtion

	// totalram_pages: 총 free된 page 수
	vfs_caches_init(totalram_pages);
	// virtual file system을 위한 names, dentry, inode, filp, mount cache 생성 후
	// file system 을 위한 초기화 수행 및 mount 수행, block, char dev 사용을 위한 초기화 수행

	signals_init();
	// signal을 사용하기 위한 kmem_cache 를 생성

	/* rootfs populating might need page-writeback */
	page_writeback_init();
	// page writeback을 위한 global_dirty_limit, ratelimit_pages 값을 초기화 수행

#ifdef CONFIG_PROC_FS // CONFIG_PROC_FS=y
	proc_root_init();
	// proc filesystem을 등록 하고 proc을 사용하기 위한 dentry, inode 생성 후
	// sysctl_base_table 에 등록된 kernel, vm, fs, debug, dev의 dir, files 를 recursive 하게 RB Tree 를 구성함
#endif
	cgroup_init();
	// cgroup에서 사용하는 sub system 인 debug_subsys, cpu_cgroup_subsys, cpuacct_subsys, freezer_subsys 를 등록 하고
	// init_css_set.subsys 를 이용하여 hash key 값 생성, cgroup 을 위한 kobject 를 생성, cgroup용 fils system type을 추가 하여
	// filesystem 에 등록함, cgroup 을 위한 proc 생성.

	cpuset_init(); // null function
	taskstats_init_early(); // null function
	delayacct_init(); // null function

	check_bugs();
	// page 2개를 할당 받고 할당 받은 메모리에값을 쓰고 비교하여
	// 메모리 동작을 테스트 수행한 이후 다시 메모리를 반환함

	acpi_early_init(); /* before LAPIC and SMP init */  // null function
	sfi_init_late(); // null function

	// efi_enabled(EFI_RUNTIME_SERVICES): 1
	if (efi_enabled(EFI_RUNTIME_SERVICES)) {
		efi_late_init(); // null function
		efi_free_boot_services(); // null function
	}

	ftrace_init(); // null function

	/* Do the rest non-__init'ed, we're now alive */
	rest_init();
}	

rest_init()

• start_kernel()

• rest_init()

• call: rest_init()

static __initdata DECLARE_COMPLETION(kthreadd_done);

// ARM10C 20160827
static noinline void __init_refok rest_init(void)
{
	int pid;

	rcu_scheduler_starting(); // null function
	/*
	 * We need to spawn init first so that it obtains pid 1, however
	 * the init task will end up wanting to create kthreads, which, if
	 * we schedule it before we create kthreadd, will OOPS.
	 */
	// CLONE_FS: 0x00000200, CLONE_SIGHAND: 0x00000800
	//kernel_thread(kernel_init, NULL, 0x00000A00): 1
	kernel_thread(kernel_init, NULL, CLONE_FS | CLONE_SIGHAND);

	// kernel_thread 에서 한일:
	// struct task_struct 만큼의 메모리를 할당 받음
	// kmem_cache#15-oX (struct task_struct)
	//
	// struct thread_info 를 구성 하기 위한 메모리를 할당 받음 (8K)
	// 할당 받은 page 2개의 메로리의 가상 주소
	//
	// 할당 받은 kmem_cache#15-oX (struct task_struct) 메모리에 init_task 값을 전부 할당함
	//
	// (kmem_cache#15-oX (struct task_struct))->stack: 할당 받은 page 2개의 메로리의 가상 주소
	//
	// 할당 받은 kmem_cache#15-oX (struct task_struct) 의 stack의 값을 init_task 의 stack 값에서 전부 복사함
	// 복사된 struct thread_info 의 task 주소값을 할당 받은 kmem_cache#15-oX (struct task_struct)로 변경함
	// *(할당 받은 page 2개의 메로리의 가상 주소): init_thread_info
	// ((struct thread_info *) 할당 받은 page 2개의 메로리의 가상 주소)->task: kmem_cache#15-oX (struct task_struct)
	//
	// (((struct thread_info *)(할당 받은 page 2개의 메로리의 가상 주소))->flags 의 1 bit 값을 clear 수행
	//
	// *((unsigned long *)(할당 받은 page 2개의 메로리의 가상 주소 + 1)): 0x57AC6E9D
	//
	// (&(kmem_cache#15-oX (struct task_struct))->usage)->counter: 2
	// (kmem_cache#15-oX (struct task_struct))->splice_pipe: NULL
	// (kmem_cache#15-oX (struct task_struct))->task_frag.page: NULL
	//
	// (&contig_page_data)->node_zones[0].vm_stat[16]: 1 을 더함
	// vmstat.c의 vm_stat[16] 전역 변수에도 1을 더함
	//
	// &(kmem_cache#15-oX (struct task_struct))->pi_lock을 사용한 spinlock 초기화
	// &(kmem_cache#15-oX (struct task_struct))->pi_waiters 리스트 초기화
	// (kmem_cache#15-oX (struct task_struct))->pi_blocked_on: NULL
	//
	// (&init_task)->flags: 0x00200100
	// (&init_task)->flags: 0x00200100
	//
	// struct cred 만큼의 메모리를 할당 받음
	// kmem_cache#16-oX (struct cred)
	//
	// kmem_cache#16-oX (struct cred) 에 init_cred 에 있는 맴버값 전부를 복사함
	// (&(kmem_cache#16-oX (struct cred))->usage)->counter: 1
	// (&(&init_groups)->usage)->counter: 3
	// (&(&root_user)->__count)->counter: 2
	// (&(&root_user)->processes)->counter: 2
	//
	// (&(kmem_cache#16-oX (struct cred))->usage)->counter: 2
	//
	// (kmem_cache#15-oX (struct task_struct))->cred: kmem_cache#16-oX (struct cred)
	// (kmem_cache#15-oX (struct task_struct))->real_cred: kmem_cache#16-oX (struct cred)
	// (kmem_cache#15-oX (struct task_struct))->did_exec: 0
	// (kmem_cache#15-oX (struct task_struct))->flags: 0x00200040
	//
	// (&(kmem_cache#15-oX (struct task_struct))->children)->next: &(kmem_cache#15-oX (struct task_struct))->children
	// (&(kmem_cache#15-oX (struct task_struct))->children)->prev: &(kmem_cache#15-oX (struct task_struct))->children
	// (&(kmem_cache#15-oX (struct task_struct))->sibling)->next: &(kmem_cache#15-oX (struct task_struct))->sibling
	// (&(kmem_cache#15-oX (struct task_struct))->sibling)->prev: &(kmem_cache#15-oX (struct task_struct))->sibling
	//
	// (kmem_cache#15-oX (struct task_struct))->rcu_read_lock_nesting: 0
	// (kmem_cache#15-oX (struct task_struct))->rcu_read_unlock_special: 0
	// (kmem_cache#15-oX (struct task_struct))->rcu_blocked_node: NULL
	// (&(kmem_cache#15-oX (struct task_struct))->rcu_node_entry)->next: &(kmem_cache#15-oX (struct task_struct))->rcu_node_entry
	// (&(kmem_cache#15-oX (struct task_struct))->rcu_node_entry)->prev: &(kmem_cache#15-oX (struct task_struct))->rcu_node_entry
	//
	// (kmem_cache#15-oX (struct task_struct))->vfork_done: NULL
	//
	// (&(kmem_cache#15-oX (struct task_struct))->alloc_lock)->raw_lock: { { 0 } }
	// (&(kmem_cache#15-oX (struct task_struct))->alloc_lock)->magic: 0xdead4ead
	// (&(kmem_cache#15-oX (struct task_struct))->alloc_lock)->owner: 0xffffffff
	// (&(kmem_cache#15-oX (struct task_struct))->alloc_lock)->owner_cpu: 0xffffffff
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->pending)->signal)->sig[0]: 0
	// (&(&(kmem_cache#15-oX (struct task_struct))->pending)->signal)->sig[1]: 0
	// (&(&(kmem_cache#15-oX (struct task_struct))->pending)->list)->next: &(&(kmem_cache#15-oX (struct task_struct))->pending)->list
	// (&(&(kmem_cache#15-oX (struct task_struct))->pending)->list)->prev: &(&(kmem_cache#15-oX (struct task_struct))->pending)->list
	//
	// (kmem_cache#15-oX (struct task_struct))->utime: 0
	// (kmem_cache#15-oX (struct task_struct))->stime: 0
	// (kmem_cache#15-oX (struct task_struct))->gtime: 0
	// (kmem_cache#15-oX (struct task_struct))->utimescaled: 0
	// (kmem_cache#15-oX (struct task_struct))->stimescaled: 0
	//
	// &(kmem_cache#15-oX (struct task_struct))->rss_stat 값을 0 으로 초기화 수행
	//
	// (kmem_cache#15-oX (struct task_struct))->default_timer_slack_ns: 50000
	//
	// (kmem_cache#15-oX (struct task_struct))->cputime_expires.prof_exp: 0
	// (kmem_cache#15-oX (struct task_struct))->cputime_expires.virt_exp: 0
	// (kmem_cache#15-oX (struct task_struct))->cputime_expires.sched_exp: 0
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[0])->next: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[0]
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[0])->prev: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[0]
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[1])->next: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[1]
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[1])->prev: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[1]
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[2])->next: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[2]
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[2])->prev: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[2]
	//
	// (kmem_cache#15-oX (struct task_struct))->start_time 에 현재 시간 값을 가져옴
	// (&(kmem_cache#15-oX (struct task_struct))->start_time)->tv_sec: 현재의 sec 값 + 현재의 nsec 값 / 1000000000L
	// (&(kmem_cache#15-oX (struct task_struct))->start_time)->tv_nsec: 현재의 nsec 값 % 1000000000L
	// (&(kmem_cache#15-oX (struct task_struct))->real_start_time)->tv_sec: 현재의 sec 값 + 현재의 nsec 값 / 1000000000L
	// (&(kmem_cache#15-oX (struct task_struct))->real_start_time)->tv_nsec: 현재의 nsec 값 % 1000000000L
	// (kmem_cache#15-oX (struct task_struct))->real_start_time.tv_sec: normalized 된 sec 값
	// (kmem_cache#15-oX (struct task_struct))->real_start_time.tv_nsec: normalized 된 nsec 값
	//
	// (kmem_cache#15-oX (struct task_struct))->io_context: NULL
	// (kmem_cache#15-oX (struct task_struct))->audit_context: NULL
	//
	// rcu reference의 값 (&init_task)->cgroups 이 유요한지 체크하고 그 값을 리턴함
	// ((&init_task)->cgroups)->refcount: 1
	// (kmem_cache#15-oX (struct task_struct))->cgroups: (&init_task)->cgroups
	//
	// (&(kmem_cache#15-oX (struct task_struct))->cg_list)->next: &(kmem_cache#15-oX (struct task_struct))->cg_list
	// (&(kmem_cache#15-oX (struct task_struct))->cg_list)->prev: &(kmem_cache#15-oX (struct task_struct))->cg_list
	//
	// (kmem_cache#15-oX (struct task_struct))->blocked_on: NULL
	//
	// (&kmem_cache#15-oX (struct task_struct))->on_rq: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.on_rq: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.exec_start: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.sum_exec_runtime: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.prev_sum_exec_runtime: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.nr_migrations: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.vruntime: 0
	// &(&kmem_cache#15-oX (struct task_struct))->se.group_node의 리스트 초기화
	// &(&kmem_cache#15-oX (struct task_struct))->rt.run_list의 리스트 초기화
	//
	// (kmem_cache#15-oX (struct task_struct))->state: 0
	// (kmem_cache#15-oX (struct task_struct))->prio: 120
	// (kmem_cache#15-oX (struct task_struct))->sched_class: &fair_sched_class
	//
	// 현재의 schedule 시간값과 기존의 (&runqueues)->clock 의 값의 차이값을
	// [pcp0] (&runqueues)->clock, [pcp0] (&runqueues)->clock_task 의 값에 더해 갱신함
	//
	// [pcp0] (&runqueues)->clock: schedule 시간 차이값
	// [pcp0] (&runqueues)->clock_task: schedule 시간 차이값
	//
	// (kmem_cache#15-oX (struct task_struct))->se.cfs_rq: [pcp0] &(&runqueues)->cfs
	// (kmem_cache#15-oX (struct task_struct))->se.parent: NULL
	// (kmem_cache#15-oX (struct task_struct))->rt.rt_rq: [pcp0] &(&runqueues)->rt
	// (kmem_cache#15-oX (struct task_struct))->rt.parent: NULL
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu: 0
	// (kmem_cache#15-oX (struct task_struct))->wake_cpu: 0
	// (&(kmem_cache#15-oX (struct task_struct))->se)->vruntime: 0x5B8D7E
	// (kmem_cache#15-oX (struct task_struct))->se.cfs_rq: [pcp0] &(&runqueues)->cfs
	// (kmem_cache#15-oX (struct task_struct))->se.parent: NULL
	// (kmem_cache#15-oX (struct task_struct))->rt.rt_rq: [pcp0] &(&runqueues)->rt
	// (kmem_cache#15-oX (struct task_struct))->rt.parent: NULL
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu: 0
	// (kmem_cache#15-oX (struct task_struct))->wake_cpu: 0
	// (kmem_cache#15-oX (struct task_struct))->on_cpu: 0
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->preempt_count: 1
	// (&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->prio: 140
	// (&(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->prio_list)->next: &(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->prio_list
	// (&(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->prio_list)->prev: &(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->prio_list
	// (&(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->node_list)->next: &(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->node_list
	// (&(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->node_list)->prev: &(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->node_list
	//
	// (kmem_cache#15-oX (struct task_struct))->sysvsem.undo_list: NULL
	//
	// files_cachep: kmem_cache#12 을 사용하여 struct files_struct 을 위한 메모리를 할당함
	// kmem_cache#12-oX (struct files_struct)
	//
	// (kmem_cache#12-oX (struct files_struct))->count: 1
	//
	// &(kmem_cache#12-oX (struct files_struct))->file_lock을 이용한 spin lock 초기화 수행
	// ((&(kmem_cache#12-oX (struct files_struct))->file_lock)->rlock)->raw_lock: { { 0 } }
	// ((&(kmem_cache#12-oX (struct files_struct))->file_lock)->rlock)->magic: 0xdead4ead
	// ((&(kmem_cache#12-oX (struct files_struct))->file_lock)->rlock)->owner: 0xffffffff
	// ((&(kmem_cache#12-oX (struct files_struct))->file_lock)->rlock)->owner_cpu: 0xffffffff
	//
	// (kmem_cache#12-oX (struct files_struct))->next_fd: 0
	// (&(kmem_cache#12-oX (struct files_struct))->fdtab)->max_fds: 32
	// (&(kmem_cache#12-oX (struct files_struct))->fdtab)->close_on_exec: (kmem_cache#12-oX (struct files_struct))->close_on_exec_init
	// (&(kmem_cache#12-oX (struct files_struct))->fdtab)->open_fds: (kmem_cache#12-oX (struct files_struct))->open_fds_init
	// (&(kmem_cache#12-oX (struct files_struct))->fdtab)->fd: &(kmem_cache#12-oX (struct files_struct))->fd_array[0]
	//
	// &(&init_files)->file_lock 을 사용하여 spin lock 수행
	//
	// (kmem_cache#12-oX (struct files_struct))->open_fds_init 에 init_files.open_fds_init 값을 복사
	// (kmem_cache#12-oX (struct files_struct))->open_fds_init: NULL
	// (kmem_cache#12-oX (struct files_struct))->close_on_exec_init 에 init_files.close_on_exec_init 값을 복사
	// (kmem_cache#12-oX (struct files_struct))->close_on_exec_init: NULL
	//
	// (&(kmem_cache#12-oX (struct files_struct))->fdtab)->open_fds 의 0~31 bit 를 clear 함
	// (kmem_cache#12-oX (struct files_struct))->fd_array[0...31]: NULL
	// &(kmem_cache#12-oX (struct files_struct))->fd_array[0] 에 값을 size 0 만큼 0 으로 set 함
	//
	// (kmem_cache#12-oX (struct files_struct))->fdt: &(kmem_cache#12-oX (struct files_struct))->fdtab
	//
	// (kmem_cache#15-oX (struct task_struct))->files: kmem_cache#12-oX (struct files_struct)
	//
	// (&init_fs)->users: 2
	//
	// (&init_sighand)->count: { (2) }
	//
	// struct signal_struct 크기 만큼의 메모리를 할당함
	// kmem_cache#13-oX (struct signal_struct)
	//
	// (kmem_cache#15-oX (struct task_struct))->signal: kmem_cache#13-oX (struct signal_struct)
	//
	// (kmem_cache#13-oX (struct signal_struct))->nr_threads: 1
	// (kmem_cache#13-oX (struct signal_struct))->live: { (1) }
	// (kmem_cache#13-oX (struct signal_struct))->sigcnt: { (1) }
	// &(&(kmem_cache#13-oX (struct signal_struct))->wait_chldexit)->lock을 사용한 spinlock 초기화
	// &(&(kmem_cache#13-oX (struct signal_struct))->wait_chldexit)->task_list를 사용한 list 초기화
	//
	// (kmem_cache#13-oX (struct signal_struct))->curr_target: kmem_cache#15-oX (struct task_struct)
	//
	// (&(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->signal)->sig[0]: 0
	// (&(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->signal)->sig[1]: 0
	// (&(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->list)->next: &(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->list
	// (&(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->list)->prev: &(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->list
	// (&(kmem_cache#13-oX (struct signal_struct))->posix_timers)->next: &(kmem_cache#13-oX (struct signal_struct))->posix_timers
	// (&(kmem_cache#13-oX (struct signal_struct))->posix_timers)->prev: &(kmem_cache#13-oX (struct signal_struct))->posix_timers
	//
	// (kmem_cache#13-oX (struct signal_struct))->real_timer의 값을 0으로 초기화
	// (&(kmem_cache#13-oX (struct signal_struct))->real_timer)->base: [pcp0] &(&hrtimer_bases)->clock_base[0]
	// RB Tree의 &(&(kmem_cache#13-oX (struct signal_struct))->real_timer)->node 를 초기화
	//
	// (kmem_cache#13-oX (struct signal_struct))->real_timer.function: it_real_fn
	// (kmem_cache#13-oX (struct signal_struct))->rlim 에 (&init_signals)->rlim 값을 전부 복사함
	// &(kmem_cache#13-oX (struct signal_struct))->cputimer.lock 을 사용한 spinlock 초기화 수행
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[0])->next: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[0]
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[0])->prev: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[0]
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[1])->next: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[1]
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[1])->prev: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[1]
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[2])->next: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[2]
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[2])->prev: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[2]
	// (&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->activity: 0
	// &(&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->wait_lock을 사용한 spinlock 초기화
	// (&(&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->wait_list)->next: &(&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->wait_list
	// (&(&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->wait_list)->prev: &(&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->wait_list
	// (kmem_cache#13-oX (struct signal_struct))->oom_score_adj: 0
	// (kmem_cache#13-oX (struct signal_struct))->oom_score_adj_min: 0
	// (kmem_cache#13-oX (struct signal_struct))->has_child_subreaper: 0
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->count: 1
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_lock)->rlock)->raw_lock: { { 0 } }
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_lock)->rlock)->magic: 0xdead4ead
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_lock)->rlock)->owner: 0xffffffff
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_lock)->rlock)->owner_cpu: 0xffffffff
	// (&(&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_list)->next: &(&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_list
	// (&(&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_list)->prev: &(&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_list
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->onwer: NULL
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->magic: &(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex
	//
	// (kmem_cache#15-oX (struct task_struct))->min_flt: 0
	// (kmem_cache#15-oX (struct task_struct))->maj_flt: 0
	// (kmem_cache#15-oX (struct task_struct))->nvcsw: 0
	// (kmem_cache#15-oX (struct task_struct))->nivcsw: 0
	// (kmem_cache#15-oX (struct task_struct))->last_switch_count: 0
	// (kmem_cache#15-oX (struct task_struct))->mm: NULL
	//
	// (&init_nsproxy)->count: { (2) }
	//
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu_context 의 값을 0으로 초기화 함
	// ((struct pt_regs *)(kmem_cache#15-oX (struct task_struct))->stack + 8183) 의 값을 0으로 초기화 함
	//
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu_context.r4: 0
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu_context.r5: kernel_init
	// ((struct pt_regs *)(kmem_cache#15-oX (struct task_struct))->stack + 8183)->uregs[16]: 0x00000013
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu_context.pc: ret_from_fork
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu_context.sp: ((struct pt_regs *)(kmem_cache#15-oX (struct task_struct))->stack + 8183)
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->tp_value[1]: TPIDRURW의 읽은 값
	//
	// struct pid 만큼의 메모리를 할당 받음
	// kmem_cache#19-oX (struct pid)
	//
	// (kmem_cache#19-oX (struct pid))->level: 0
	//
	// page 사이즈 만큼의 메모리를 할당 받음: kmem_cache#25-oX
	//
	// (&(&init_pid_ns)->pidmap[0])->page: kmem_cache#25-oX
	// kmem_cache#25-oX 의 1 bit 의 값을 1 으로 set
	// (&(&init_pid_ns)->pidmap[0])->nr_free: { (0x7FFF) }
	// &(&init_pid_ns)->last_pid 을 1 로 변경함
	//
	// (kmem_cache#19-oX (struct pid))->numbers[0].nr: 1
	// (kmem_cache#19-oX (struct pid))->numbers[0].ns: &init_pid_ns
	//
	// struct mount의 메모리를 할당 받음 kmem_cache#2-oX (struct mount)
	//
	// idr_layer_cache를 사용하여 struct idr_layer 의 메모리 kmem_cache#21-oX를 1 개를 할당 받음
	//
	// (&(&mnt_id_ida)->idr)->id_free 이 idr object new 3번을 가르킴
	// |
	// |-> ---------------------------------------------------------------------------------------------------------------------------
	//     | idr object new 4         | idr object new 0     | idr object 6         | idr object 5         | .... | idr object 0     |
	//     ---------------------------------------------------------------------------------------------------------------------------
	//     | ary[0]: idr object new 0 | ary[0]: idr object 6 | ary[0]: idr object 5 | ary[0]: idr object 4 | .... | ary[0]: NULL     |
	//     ---------------------------------------------------------------------------------------------------------------------------
	//
	// (&(&mnt_id_ida)->idr)->id_free: kmem_cache#21-oX (idr object new 4)
	// (&(&mnt_id_ida)->idr)->id_free_cnt: 8
	//
	// (&mnt_id_ida)->free_bitmap: kmem_cache#27-oX (struct ida_bitmap)
	//
	// (&(&mnt_id_ida)->idr)->top: kmem_cache#21-oX (struct idr_layer) (idr object 8)
	// (&(&mnt_id_ida)->idr)->layers: 1
	// (&(&mnt_id_ida)->idr)->id_free: (idr object new 0)
	// (&(&mnt_id_ida)->idr)->id_free_cnt: 7
	//
	// (kmem_cache#27-oX (struct ida_bitmap))->bitmap 의 4 bit를 1로 set 수행
	// (kmem_cache#27-oX (struct ida_bitmap))->nr_busy: 5
	//
	// (kmem_cache#2-oX (struct mount))->mnt_id: 4
	//
	// kmem_cache인 kmem_cache#21 에서 할당한 object인 kmem_cache#21-oX (idr object new 4) 의 memory 공간을 반환함
	//
	// mnt_id_start: 5
	//
	// (kmem_cache#2-oX (struct mount))->mnt_devname: kmem_cache#30-oX: "proc"
	// (kmem_cache#2-oX (struct mount))->mnt_pcp: kmem_cache#26-o0 에서 할당된 8 bytes 메모리 주소
	// [pcp0] (kmem_cache#2-oX (struct mount))->mnt_pcp->mnt_count: 1
	//
	// ((kmem_cache#2-oX (struct mount))->mnt_hash)->next: NULL
	// ((kmem_cache#2-oX (struct mount))->mnt_hash)->pprev: NULL
	// ((kmem_cache#2-oX (struct mount))->mnt_child)->next: (kmem_cache#2-oX (struct mount))->mnt_child
	// ((kmem_cache#2-oX (struct mount))->mnt_child)->prev: (kmem_cache#2-oX (struct mount))->mnt_child
	// ((kmem_cache#2-oX (struct mount))->mnt_mounts)->next: (kmem_cache#2-oX (struct mount))->mnt_mounts
	// ((kmem_cache#2-oX (struct mount))->mnt_mounts)->prev: (kmem_cache#2-oX (struct mount))->mnt_mounts
	// ((kmem_cache#2-oX (struct mount))->mnt_list)->next: (kmem_cache#2-oX (struct mount))->mnt_list
	// ((kmem_cache#2-oX (struct mount))->mnt_list)->prev: (kmem_cache#2-oX (struct mount))->mnt_list
	// ((kmem_cache#2-oX (struct mount))->mnt_expire)->next: (kmem_cache#2-oX (struct mount))->mnt_expire
	// ((kmem_cache#2-oX (struct mount))->mnt_expire)->prev: (kmem_cache#2-oX (struct mount))->mnt_expire
	// ((kmem_cache#2-oX (struct mount))->mnt_share)->next: (kmem_cache#2-oX (struct mount))->mnt_share
	// ((kmem_cache#2-oX (struct mount))->mnt_share)->prev: (kmem_cache#2-oX (struct mount))->mnt_share
	// ((kmem_cache#2-oX (struct mount))->mnt_slave_list)->next: (kmem_cache#2-oX (struct mount))->mnt_slave_list
	// ((kmem_cache#2-oX (struct mount))->mnt_slave_list)->prev: (kmem_cache#2-oX (struct mount))->mnt_slave_list
	// ((kmem_cache#2-oX (struct mount))->mnt_slave)->next: (kmem_cache#2-oX (struct mount))->mnt_slave
	// ((kmem_cache#2-oX (struct mount))->mnt_slave)->prev: (kmem_cache#2-oX (struct mount))->mnt_slave
	// ((kmem_cache#2-oX (struct mount))->mnt_fsnotify_marks)->first: NULL
	//
	// (kmem_cache#2-oX (struct mount))->mnt.mnt_flags: 0x4000
	//
	// struct super_block 만큼의 메모리를 할당 받음 kmem_cache#25-oX (struct super_block)
	//
	// (&(&(&(&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->lock)->wait_lock)->rlock)->raw_lock: { { 0 } }
	// (&(&(&(&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->lock)->wait_lock)->rlock)->magic: 0xdead4ead
	// (&(&(&(&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->lock)->wait_lock)->rlock)->owner: 0xffffffff
	// (&(&(&(&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->lock)->wait_lock)->rlock)->owner_cpu: 0xffffffff
	// (&(&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->list)->next: &(&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->list
	// (&(&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->list)->prev: &(&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->list
	// (&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->count: 0
	// (&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->counters: kmem_cache#26-o0 에서 할당된 4 bytes 메모리 주소
	// list head 인 &percpu_counters에 &(&(kmem_cache#25-oX (struct super_block))->s_writers.counter[0...2])->list를 연결함
	//
	// &(&(kmem_cache#25-oX (struct super_block))->s_writers.wait)->lock을 사용한 spinlock 초기화
	// &(&(kmem_cache#25-oX (struct super_block))->s_writers.wait)->task_list를 사용한 list 초기화
	// &(&(kmem_cache#25-oX (struct super_block))->s_writers.wait_unfrozen)->lock을 사용한 spinlock 초기화
	// &(&(kmem_cache#25-oX (struct super_block))->s_writers.wait_unfrozen)->task_list를 사용한 list 초기화
	//
	// (&(kmem_cache#25-oX (struct super_block))->s_instances)->next: NULL
	// (&(kmem_cache#25-oX (struct super_block))->s_instances)->pprev: NULL
	// (&(kmem_cache#25-oX (struct super_block))->s_anon)->first: NULL
	//
	// (&(kmem_cache#25-oX (struct super_block))->s_inodes)->next: &(kmem_cache#25-oX (struct super_block))->s_inodes
	// (&(kmem_cache#25-oX (struct super_block))->s_inodes)->prev: &(kmem_cache#25-oX (struct super_block))->s_inodes
	//
	// (&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->node: kmem_cache#30-oX
	// (&(&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->active_nodes)->bits[0]: 0
	// ((&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->node[0].lock)->raw_lock: { { 0 } }
	// ((&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->node[0].lock)->magic: 0xdead4ead
	// ((&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->node[0].lock)->owner: 0xffffffff
	// ((&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->node[0].lock)->owner_cpu: 0xffffffff
	// ((&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->node[0].list)->next: (&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->node[0].list
	// ((&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->node[0].list)->prev: (&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->node[0].list
	// (&(kmem_cache#25-oX (struct super_block))->s_dentry_lru)->node[0].nr_items: 0
	// (&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->node: kmem_cache#30-oX
	// (&(&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->active_nodes)->bits[0]: 0
	// ((&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->node[0].lock)->raw_lock: { { 0 } }
	// ((&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->node[0].lock)->magic: 0xdead4ead
	// ((&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->node[0].lock)->owner: 0xffffffff
	// ((&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->node[0].lock)->owner_cpu: 0xffffffff
	// ((&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->node[0].list)->next: (&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->node[0].list
	// ((&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->node[0].list)->prev: (&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->node[0].list
	// (&(kmem_cache#25-oX (struct super_block))->s_inode_lru)->node[0].nr_items: 0
	//
	// (&(kmem_cache#25-oX (struct super_block))->s_mounts)->next: &(kmem_cache#25-oX (struct super_block))->s_mounts
	// (&(kmem_cache#25-oX (struct super_block))->s_mounts)->prev: &(kmem_cache#25-oX (struct super_block))->s_mounts
	//
	// (&(kmem_cache#25-oX (struct super_block))->s_umount)->activity: 0
	// &(&(kmem_cache#25-oX (struct super_block))->s_umount)->wait_lock을 사용한 spinlock 초기화
	// (&(&(kmem_cache#25-oX (struct super_block))->s_umount)->wait_list)->next: &(&(kmem_cache#25-oX (struct super_block))->s_umount)->wait_list
	// (&(&(kmem_cache#25-oX (struct super_block))->s_umount)->wait_list)->prev: &(&(kmem_cache#25-oX (struct super_block))->s_umount)->wait_list
	//
	// (&(kmem_cache#25-oX (struct super_block))->s_umount)->activity: -1
	//
	// (&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->count: 1
	// (&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->wait_lock)->rlock)->raw_lock: { { 0 } }
	// (&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->wait_lock)->rlock)->magic: 0xdead4ead
	// (&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->wait_lock)->rlock)->owner: 0xffffffff
	// (&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->wait_lock)->rlock)->owner_cpu: 0xffffffff
	// (&(&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->wait_list)->next: &(&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->wait_list
	// (&(&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->wait_list)->prev: &(&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->wait_list
	// (&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->onwer: NULL
	// (&(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex)->magic: &(kmem_cache#25-oX (struct super_block))->s_vfs_rename_mutex
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->count: 1
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->wait_lock)->rlock)->raw_lock: { { 0 } }
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->wait_lock)->rlock)->magic: 0xdead4ead
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->wait_lock)->rlock)->owner: 0xffffffff
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->wait_lock)->rlock)->owner_cpu: 0xffffffff
	// (&(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->wait_list)->next: &(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->wait_list
	// (&(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->wait_list)->prev: &(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->wait_list
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->onwer: NULL
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex)->magic: &(kmem_cache#25-oX (struct super_block))->s_dquot.dqio_mutex
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->count: 1
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->wait_lock)->rlock)->raw_lock: { { 0 } }
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->wait_lock)->rlock)->magic: 0xdead4ead
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->wait_lock)->rlock)->owner: 0xffffffff
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->wait_lock)->rlock)->owner_cpu: 0xffffffff
	// (&(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->wait_list)->next: &(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->wait_list
	// (&(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->wait_list)->prev: &(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->wait_list
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->onwer: NULL
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex)->magic: &(kmem_cache#25-oX (struct super_block))->s_dquot.dqonoff_mutex
	// (&(kmem_cache#25-oX (struct super_block))->s_dquot.dqptr_sem)->activity: 0
	// &(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqptr_sem)->wait_lock을 사용한 spinlock 초기화
	// (&(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqptr_sem)->wait_list)->next: &(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqptr_sem)->wait_list
	// (&(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqptr_sem)->wait_list)->prev: &(&(kmem_cache#25-oX (struct super_block))->s_dquot.dqptr_sem)->wait_list
	//
	// (kmem_cache#25-oX (struct super_block))->s_flags: 0x400000
	// (kmem_cache#25-oX (struct super_block))->s_bdi: &default_backing_dev_info
	// (kmem_cache#25-oX (struct super_block))->s_count: 1
	// ((kmem_cache#25-oX (struct super_block))->s_active)->counter: 1
	// (kmem_cache#25-oX (struct super_block))->s_maxbytes: 0x7fffffff
	// (kmem_cache#25-oX (struct super_block))->s_op: &default_op
	// (kmem_cache#25-oX (struct super_block))->s_time_gran: 1000000000
	// (kmem_cache#25-oX (struct super_block))->cleancache_poolid: -1
	// (kmem_cache#25-oX (struct super_block))->s_shrink.seeks: 2
	// (kmem_cache#25-oX (struct super_block))->s_shrink.scan_objects: super_cache_scan
	// (kmem_cache#25-oX (struct super_block))->s_shrink.count_objects: super_cache_count
	// (kmem_cache#25-oX (struct super_block))->s_shrink.batch: 1024
	// (kmem_cache#25-oX (struct super_block))->s_shrink.flags: 1
	//
	// idr_layer_cache를 사용하여 struct idr_layer 의 메모리 kmem_cache#21-oX를 1 개를 할당 받음
	//
	// (&(&unnamed_dev_ida)->idr)->id_free 이 idr object new 4번을 가르킴
	// |
	// |-> ---------------------------------------------------------------------------------------------------------------------------
	//     | idr object new 4         | idr object new 0     | idr object 6         | idr object 5         | .... | idr object 0     |
	//     ---------------------------------------------------------------------------------------------------------------------------
	//     | ary[0]: idr object new 0 | ary[0]: idr object 6 | ary[0]: idr object 5 | ary[0]: idr object 4 | .... | ary[0]: NULL     |
	//     ---------------------------------------------------------------------------------------------------------------------------
	//
	// (&(&unnamed_dev_ida)->idr)->id_free: kmem_cache#21-oX (idr object new 4)
	// (&(&unnamed_dev_ida)->idr)->id_free_cnt: 8
	//
	// (&unnamed_dev_ida)->free_bitmap: kmem_cache#27-oX (struct ida_bitmap)
	//
	// (&(&unnamed_dev_ida)->idr)->top: kmem_cache#21-oX (struct idr_layer) (idr object 8)
	// (&(&unnamed_dev_ida)->idr)->layers: 1
	// (&(&unnamed_dev_ida)->idr)->id_free: (idr object new 0)
	// (&(&unnamed_dev_ida)->idr)->id_free_cnt: 7
	//
	// (kmem_cache#27-oX (struct ida_bitmap))->bitmap 의 4 bit를 1로 set 수행
	// (kmem_cache#27-oX (struct ida_bitmap))->nr_busy: 5
	//
	// kmem_cache인 kmem_cache#21 에서 할당한 object인 kmem_cache#21-oX (idr object new 4) 의 memory 공간을 반환함
	//
	// unnamed_dev_start: 5
	//
	// (kmem_cache#25-oX (struct super_block))->s_dev: 4
	// (kmem_cache#25-oX (struct super_block))->s_bdi: &noop_backing_dev_info
	// (kmem_cache#25-oX (struct super_block))->s_fs_info: &init_pid_ns
	// (kmem_cache#25-oX (struct super_block))->s_type: &proc_fs_type
	// (kmem_cache#25-oX (struct super_block))->s_id: "proc"
	//
	// list head인 &super_blocks 에 (kmem_cache#25-oX (struct super_block))->s_list을 tail에 추가
	// (&(kmem_cache#25-oX (struct super_block))->s_instances)->next: NULL
	// (&(&proc_fs_type)->fs_supers)->first: &(kmem_cache#25-oX (struct super_block))->s_instances
	// (&(kmem_cache#25-oX (struct super_block))->s_instances)->pprev: &(&(&proc_fs_type)->fs_supers)->first
	// (&(kmem_cache#25-oX (struct super_block))->s_shrink)->flags: 0
	// (&(kmem_cache#25-oX (struct super_block))->s_shrink)->nr_deferred: kmem_cache#30-oX
	// head list인 &shrinker_list에 &(&(kmem_cache#25-oX (struct super_block))->s_shrink)->list를 tail로 추가함
	//
	// (kmem_cache#25-oX (struct super_block))->s_flags: 0x40080a
	// (kmem_cache#25-oX (struct super_block))->s_blocksize: 1024
	// (kmem_cache#25-oX (struct super_block))->s_blocksize_bits: 10
	// (kmem_cache#25-oX (struct super_block))->s_magic: 0x9fa0
	// (kmem_cache#25-oX (struct super_block))->s_op: &proc_sops
	// (kmem_cache#25-oX (struct super_block))->s_time_gran: 1
	//
	// (&proc_root)->count: { (2) }
	//
	// struct inode 만큼의 메모리를 할당 받음 kmem_cache#4-oX (struct inode)
	//
	// (kmem_cache#4-oX (struct inode))->i_sb: kmem_cache#25-oX (struct super_block)
	// (kmem_cache#4-oX (struct inode))->i_blkbits: 12
	// (kmem_cache#4-oX (struct inode))->i_flags: 0
	// (kmem_cache#4-oX (struct inode))->i_count: 1
	// (kmem_cache#4-oX (struct inode))->i_op: &empty_iops
	// (kmem_cache#4-oX (struct inode))->__i_nlink: 1
	// (kmem_cache#4-oX (struct inode))->i_opflags: 0
	// (kmem_cache#4-oX (struct inode))->i_uid: 0
	// (kmem_cache#4-oX (struct inode))->i_gid: 0
	// (kmem_cache#4-oX (struct inode))->i_count: 0
	// (kmem_cache#4-oX (struct inode))->i_size: 0
	// (kmem_cache#4-oX (struct inode))->i_blocks: 0
	// (kmem_cache#4-oX (struct inode))->i_bytes: 0
	// (kmem_cache#4-oX (struct inode))->i_generation: 0
	// (kmem_cache#4-oX (struct inode))->i_pipe: NULL
	// (kmem_cache#4-oX (struct inode))->i_bdev: NULL
	// (kmem_cache#4-oX (struct inode))->i_cdev: NULL
	// (kmem_cache#4-oX (struct inode))->i_rdev: 0
	// (kmem_cache#4-oX (struct inode))->dirtied_when: 0
	//
	// &(kmem_cache#4-oX (struct inode))->i_lock을 이용한 spin lock 초기화 수행
	//
	// ((&(kmem_cache#4-oX (struct inode))->i_lock)->rlock)->raw_lock: { { 0 } }
	// ((&(kmem_cache#4-oX (struct inode))->i_lock)->rlock)->magic: 0xdead4ead
	// ((&(kmem_cache#4-oX (struct inode))->i_lock)->rlock)->owner: 0xffffffff
	// ((&(kmem_cache#4-oX (struct inode))->i_lock)->rlock)->owner_cpu: 0xffffffff
	//
	// (&(kmem_cache#4-oX (struct inode))->i_mutex)->count: 1
	// (&(&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_lock)->rlock)->raw_lock: { { 0 } }
	// (&(&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_lock)->rlock)->magic: 0xdead4ead
	// (&(&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_lock)->rlock)->owner: 0xffffffff
	// (&(&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_lock)->rlock)->owner_cpu: 0xffffffff
	// (&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_list)->next: &(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_list
	// (&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_list)->prev: &(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_list
	// (&(kmem_cache#4-oX (struct inode))->i_mutex)->onwer: NULL
	// (&(kmem_cache#4-oX (struct inode))->i_mutex)->magic: &(kmem_cache#4-oX (struct inode))->i_mutex
	//
	// (kmem_cache#4-oX (struct inode))->i_dio_count: 0
	//
	// (&(kmem_cache#4-oX (struct inode))->i_data)->a_ops: &empty_aops
	// (&(kmem_cache#4-oX (struct inode))->i_data)->host: kmem_cache#4-oX (struct inode)
	// (&(kmem_cache#4-oX (struct inode))->i_data)->flags: 0
	// (&(kmem_cache#4-oX (struct inode))->i_data)->flags: 0x200DA
	// (&(kmem_cache#4-oX (struct inode))->i_data)->private_data: NULL
	// (&(kmem_cache#4-oX (struct inode))->i_data)->backing_dev_info: &default_backing_dev_info
	// (&(kmem_cache#4-oX (struct inode))->i_data)->writeback_index: 0
	//
	// (kmem_cache#4-oX (struct inode))->i_private: NULL
	// (kmem_cache#4-oX (struct inode))->i_mapping: &(kmem_cache#4-oX (struct inode))->i_data
	// (&(kmem_cache#4-oX (struct inode))->i_dentry)->first: NULL
	// (kmem_cache#4-oX (struct inode))->i_acl: (void *)(0xFFFFFFFF),
	// (kmem_cache#4-oX (struct inode))->i_default_acl: (void *)(0xFFFFFFFF)
	// (kmem_cache#4-oX (struct inode))->i_fsnotify_mask: 0
	//
	// [pcp0] nr_inodes: 2
	//
	// (kmem_cache#4-oX (struct inode))->i_state: 0
	// &(kmem_cache#4-oX (struct inode))->i_sb_list->next: &(kmem_cache#4-oX (struct inode))->i_sb_list
	// &(kmem_cache#4-oX (struct inode))->i_sb_list->prev: &(kmem_cache#4-oX (struct inode))->i_sb_list
	//
	// (kmem_cache#4-oX (struct inode))->i_ino: 1
	// (kmem_cache#4-oX (struct inode))->i_mtime: 현재시간값
	// (kmem_cache#4-oX (struct inode))->i_atime: 현재시간값
	// (kmem_cache#4-oX (struct inode))->i_ctime: 현재시간값
	// (kmem_cache#4-oX (struct inode))->pde: &proc_root
	// (kmem_cache#4-oX (struct inode))->i_mode: 0040555
	// (kmem_cache#4-oX (struct inode))->i_uid: 0
	// (kmem_cache#4-oX (struct inode))->i_gid: 0
	// (kmem_cache#4-oX (struct inode))->__i_nlink: 2
	// (kmem_cache#4-oX (struct inode))->i_op: &proc_root_inode_operations
	// (kmem_cache#4-oX (struct inode))->i_fop: &proc_root_operations
	//
	// dentry_cache인 kmem_cache#5을 사용하여 dentry로 사용할 메모리 kmem_cache#5-oX (struct dentry)을 할당받음
	//
	// (kmem_cache#5-oX (struct dentry))->d_iname[35]: 0
	// (kmem_cache#5-oX (struct dentry))->d_name.len: 1
	// (kmem_cache#5-oX (struct dentry))->d_name.hash: (&name)->hash: 0
	// (kmem_cache#5-oX (struct dentry))->d_iname: "/"
	//
	// 공유자원을 다른 cpu core가 사용할수 있게 함
	//
	// (kmem_cache#5-oX (struct dentry))->d_name.name: "/"
	// (kmem_cache#5-oX (struct dentry))->d_lockref.count: 1
	// (kmem_cache#5-oX (struct dentry))->d_flags: 0
	//
	// (&(kmem_cache#5-oX (struct dentry))->d_lock)->raw_lock: { { 0 } }
	// (&(kmem_cache#5-oX (struct dentry))->d_lock)->magic: 0xdead4ead
	// (&(kmem_cache#5-oX (struct dentry))->d_lock)->owner: 0xffffffff
	// (&(kmem_cache#5-oX (struct dentry))->d_lock)->owner_cpu: 0xffffffff
	//
	// (&(kmem_cache#5-oX (struct dentry))->d_seq)->sequence: 0
	//
	// (kmem_cache#5-oX (struct dentry))->d_inode: NULL
	//
	// (kmem_cache#5-oX (struct dentry))->d_parent: kmem_cache#5-oX (struct dentry)
	// (kmem_cache#5-oX (struct dentry))->d_sb: kmem_cache#25-oX (struct super_block)
	// (kmem_cache#5-oX (struct dentry))->d_op: NULL
	// (kmem_cache#5-oX (struct dentry))->d_fsdata: NULL
	//
	// (&(kmem_cache#5-oX (struct dentry))->d_hash)->next: NULL
	// (&(kmem_cache#5-oX (struct dentry))->d_hash)->pprev: NULL
	// (&(kmem_cache#5-oX (struct dentry))->d_lru)->next: &(kmem_cache#5-oX (struct dentry))->d_lru
	// (&(kmem_cache#5-oX (struct dentry))->d_lru)->prev: &(kmem_cache#5-oX (struct dentry))->d_lru
	// (&(kmem_cache#5-oX (struct dentry))->d_subdirs)->next: &(kmem_cache#5-oX (struct dentry))->d_subdirs
	// (&(kmem_cache#5-oX (struct dentry))->d_subdirs)->prev: &(kmem_cache#5-oX (struct dentry))->d_subdirs
	// (&(kmem_cache#5-oX (struct dentry))->d_alias)->next: NULL
	// (&(kmem_cache#5-oX (struct dentry))->d_alias)->pprev: NULL
	// (&(kmem_cache#5-oX (struct dentry))->d_u.d_child)->next: &(kmem_cache#5-oX (struct dentry))->d_u.d_child
	// (&(kmem_cache#5-oX (struct dentry))->d_u.d_child)->prev: &(kmem_cache#5-oX (struct dentry))->d_u.d_child
	//
	// (kmem_cache#5-oX (struct dentry))->d_op: NULL
	//
	// [pcp0] nr_dentry: 3
	//
	// (&(kmem_cache#5-oX (struct dentry))->d_alias)->next: NULL
	// (&(kmem_cache#4-oX (struct inode))->i_dentry)->first: &(kmem_cache#5-oX (struct dentry))->d_alias
	// (&(kmem_cache#5-oX (struct dentry))->d_alias)->pprev: &(&(kmem_cache#5-oX (struct dentry))->d_alias)
	//
	// (kmem_cache#5-oX (struct dentry))->d_inode: kmem_cache#4-oX (struct inode)
	//
	// 공유자원을 다른 cpu core가 사용할수 있게 함
	// (&(kmem_cache#5-oX (struct dentry))->d_seq)->sequence: 2
	//
	// (kmem_cache#5-oX (struct dentry))->d_flags: 0x00100000
	//
	// (kmem_cache#25-oX (struct super_block))->s_root: kmem_cache#5-oX (struct dentry)
	//
	// dentry_cache인 kmem_cache#5을 사용하여 dentry로 사용할 메모리 kmem_cache#5-oX (struct dentry)을 할당받음
	//
	// (kmem_cache#5-oX (struct dentry))->d_iname[35]: 0
	// (kmem_cache#5-oX (struct dentry))->d_name.len: 4
	// (kmem_cache#5-oX (struct dentry))->d_name.hash: (&q)->hash: 0xXXXXXXXX
	// (kmem_cache#5-oX (struct dentry))->d_iname: "self"
	//
	// 공유자원을 다른 cpu core가 사용할수 있게 함
	//
	// (kmem_cache#5-oX (struct dentry))->d_name.name: "self"
	// (kmem_cache#5-oX (struct dentry))->d_lockref.count: 1
	// (kmem_cache#5-oX (struct dentry))->d_flags: 0
	//
	// (&(kmem_cache#5-oX (struct dentry))->d_lock)->raw_lock: { { 0 } }
	// (&(kmem_cache#5-oX (struct dentry))->d_lock)->magic: 0xdead4ead
	// (&(kmem_cache#5-oX (struct dentry))->d_lock)->owner: 0xffffffff
	// (&(kmem_cache#5-oX (struct dentry))->d_lock)->owner_cpu: 0xffffffff
	//
	// (&(kmem_cache#5-oX (struct dentry))->d_seq)->sequence: 0
	//
	// (kmem_cache#5-oX (struct dentry))->d_inode: NULL
	//
	// (kmem_cache#5-oX (struct dentry))->d_parent: kmem_cache#5-oX (struct dentry)
	// (kmem_cache#5-oX (struct dentry))->d_sb: kmem_cache#25-oX (struct super_block)
	// (kmem_cache#5-oX (struct dentry))->d_op: NULL
	// (kmem_cache#5-oX (struct dentry))->d_fsdata: NULL
	//
	// (&(kmem_cache#5-oX (struct dentry))->d_hash)->next: NULL
	// (&(kmem_cache#5-oX (struct dentry))->d_hash)->pprev: NULL
	// (&(kmem_cache#5-oX (struct dentry))->d_lru)->next: &(kmem_cache#5-oX (struct dentry))->d_lru
	// (&(kmem_cache#5-oX (struct dentry))->d_lru)->prev: &(kmem_cache#5-oX (struct dentry))->d_lru
	// (&(kmem_cache#5-oX (struct dentry))->d_subdirs)->next: &(kmem_cache#5-oX (struct dentry))->d_subdirs
	// (&(kmem_cache#5-oX (struct dentry))->d_subdirs)->prev: &(kmem_cache#5-oX (struct dentry))->d_subdirs
	// (&(kmem_cache#5-oX (struct dentry))->d_alias)->next: NULL
	// (&(kmem_cache#5-oX (struct dentry))->d_alias)->pprev: NULL
	// (&(kmem_cache#5-oX (struct dentry))->d_u.d_child)->next: &(kmem_cache#5-oX (struct dentry))->d_u.d_child
	// (&(kmem_cache#5-oX (struct dentry))->d_u.d_child)->prev: &(kmem_cache#5-oX (struct dentry))->d_u.d_child
	//
	// (kmem_cache#5-oX (struct dentry))->d_op: NULL
	//
	// [pcp0] nr_dentry: 4
	//
	// (kmem_cache#5-oX (struct dentry))->d_lockref.count: 1
	// (kmem_cache#5-oX (struct dentry))->d_parent: kmem_cache#5-oX (struct dentry)
	//
	// head list 인 &(kmem_cache#5-oX (struct dentry))->d_subdirs 에
	// list &(kmem_cache#5-oX (struct dentry))->d_u.d_child 를 추가함
	//
	// struct inode 만큼의 메모리를 할당 받음 kmem_cache#4-oX (struct inode)
	//
	// (kmem_cache#4-oX (struct inode))->i_sb: kmem_cache#25-oX (struct super_block)
	// (kmem_cache#4-oX (struct inode))->i_blkbits: 12
	// (kmem_cache#4-oX (struct inode))->i_flags: 0
	// (kmem_cache#4-oX (struct inode))->i_count: 1
	// (kmem_cache#4-oX (struct inode))->i_op: &empty_iops
	// (kmem_cache#4-oX (struct inode))->__i_nlink: 1
	// (kmem_cache#4-oX (struct inode))->i_opflags: 0
	// (kmem_cache#4-oX (struct inode))->i_uid: 0
	// (kmem_cache#4-oX (struct inode))->i_gid: 0
	// (kmem_cache#4-oX (struct inode))->i_count: 0
	// (kmem_cache#4-oX (struct inode))->i_size: 0
	// (kmem_cache#4-oX (struct inode))->i_blocks: 0
	// (kmem_cache#4-oX (struct inode))->i_bytes: 0
	// (kmem_cache#4-oX (struct inode))->i_generation: 0
	// (kmem_cache#4-oX (struct inode))->i_pipe: NULL
	// (kmem_cache#4-oX (struct inode))->i_bdev: NULL
	// (kmem_cache#4-oX (struct inode))->i_cdev: NULL
	// (kmem_cache#4-oX (struct inode))->i_rdev: 0
	// (kmem_cache#4-oX (struct inode))->dirtied_when: 0
	//
	// &(kmem_cache#4-oX (struct inode))->i_lock을 이용한 spin lock 초기화 수행
	//
	// ((&(kmem_cache#4-oX (struct inode))->i_lock)->rlock)->raw_lock: { { 0 } }
	// ((&(kmem_cache#4-oX (struct inode))->i_lock)->rlock)->magic: 0xdead4ead
	// ((&(kmem_cache#4-oX (struct inode))->i_lock)->rlock)->owner: 0xffffffff
	// ((&(kmem_cache#4-oX (struct inode))->i_lock)->rlock)->owner_cpu: 0xffffffff
	//
	// (&(kmem_cache#4-oX (struct inode))->i_mutex)->count: 1
	// (&(&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_lock)->rlock)->raw_lock: { { 0 } }
	// (&(&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_lock)->rlock)->magic: 0xdead4ead
	// (&(&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_lock)->rlock)->owner: 0xffffffff
	// (&(&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_lock)->rlock)->owner_cpu: 0xffffffff
	// (&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_list)->next: &(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_list
	// (&(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_list)->prev: &(&(kmem_cache#4-oX (struct inode))->i_mutex)->wait_list
	// (&(kmem_cache#4-oX (struct inode))->i_mutex)->onwer: NULL
	// (&(kmem_cache#4-oX (struct inode))->i_mutex)->magic: &(kmem_cache#4-oX (struct inode))->i_mutex
	//
	// (kmem_cache#4-oX (struct inode))->i_dio_count: 0
	//
	// (&(kmem_cache#4-oX (struct inode))->i_data)->a_ops: &empty_aops
	// (&(kmem_cache#4-oX (struct inode))->i_data)->host: kmem_cache#4-oX (struct inode)
	// (&(kmem_cache#4-oX (struct inode))->i_data)->flags: 0
	// (&(kmem_cache#4-oX (struct inode))->i_data)->flags: 0x200DA
	// (&(kmem_cache#4-oX (struct inode))->i_data)->private_data: NULL
	// (&(kmem_cache#4-oX (struct inode))->i_data)->backing_dev_info: &default_backing_dev_info
	// (&(kmem_cache#4-oX (struct inode))->i_data)->writeback_index: 0
	//
	// (kmem_cache#4-oX (struct inode))->i_private: NULL
	// (kmem_cache#4-oX (struct inode))->i_mapping: &(kmem_cache#4-oX (struct inode))->i_data
	// (&(kmem_cache#4-oX (struct inode))->i_dentry)->first: NULL
	// (kmem_cache#4-oX (struct inode))->i_acl: (void *)(0xFFFFFFFF),
	// (kmem_cache#4-oX (struct inode))->i_default_acl: (void *)(0xFFFFFFFF)
	// (kmem_cache#4-oX (struct inode))->i_fsnotify_mask: 0
	//
	// [pcp0] nr_inodes: 3
	//
	// (kmem_cache#4-oX (struct inode))->i_state: 0
	// &(kmem_cache#4-oX (struct inode))->i_sb_list->next: &(kmem_cache#4-oX (struct inode))->i_sb_list
	// &(kmem_cache#4-oX (struct inode))->i_sb_list->prev: &(kmem_cache#4-oX (struct inode))->i_sb_list
	// (kmem_cache#4-oX (struct inode))->i_ino: 0xF0000001
	// (kmem_cache#4-oX (struct inode))->i_mtime: 현재시간값
	// (kmem_cache#4-oX (struct inode))->i_atime: 현재시간값
	// (kmem_cache#4-oX (struct inode))->i_ctime: 현재시간값
	// (kmem_cache#4-oX (struct inode))->i_mode: 0120777
	// (kmem_cache#4-oX (struct inode))->i_uid: 0
	// (kmem_cache#4-oX (struct inode))->i_gid: 0
	// (kmem_cache#4-oX (struct inode))->i_op: &proc_self_inode_operations
	//
	// (&(kmem_cache#5-oX (struct dentry))->d_alias)->next: NULL
	// (&(kmem_cache#4-oX (struct inode))->i_dentry)->first: &(kmem_cache#5-oX (struct dentry))->d_alias
	// (&(kmem_cache#5-oX (struct dentry))->d_alias)->pprev: &(&(kmem_cache#5-oX (struct dentry))->d_alias)
	//
	// (kmem_cache#5-oX (struct dentry))->d_inode: kmem_cache#4-oX (struct inode)
	//
	// 공유자원을 다른 cpu core가 사용할수 있게 함
	// (&(kmem_cache#5-oX (struct dentry))->d_seq)->sequence: 2
	//
	// (kmem_cache#5-oX (struct dentry))->d_flags: 0x00100080
	//
	// (&(kmem_cache#5-oX (struct dentry))->d_hash)->next: NULL
	// (&(kmem_cache#5-oX (struct dentry))->d_hash)->pprev: &(hash 0xXXXXXXXX 에 맞는 list table 주소값)->first
	//
	// ((hash 0xXXXXXXXX 에 맞는 list table 주소값)->first): ((&(kmem_cache#5-oX (struct dentry))->d_hash) | 1)
	//
	// (&init_pid_ns)->proc_self: kmem_cache#5-oX (struct dentry)
	//
	// (&(kmem_cache#5-oX (struct dentry))->d_lockref)->count: 1
	//
	// (kmem_cache#25-oX (struct super_block))->s_flags: 0x6040080a
	//
	// (&(kmem_cache#25-oX (struct super_block))->s_umount)->activity: 0
	//
	// (kmem_cache#2-oX (struct mount))->mnt.mnt_root: kmem_cache#5-oX (struct dentry)
	// (kmem_cache#2-oX (struct mount))->mnt.mnt_sb: kmem_cache#25-oX (struct super_block)
	// (kmem_cache#2-oX (struct mount))->mnt_mountpoint: kmem_cache#5-oX (struct dentry)
	// (kmem_cache#2-oX (struct mount))->mnt_parent: kmem_cache#2-oX (struct mount)
	//
	// list head인 &(kmem_cache#5-oX (struct dentry))->d_sb->s_mounts에
	// &(kmem_cache#2-oX (struct mount))->mnt_instance를 tail로 연결
	//
	// (kmem_cache#2-oX (struct mount))->mnt_ns: 0xffffffea
	//
	// (&init_pid_ns)->proc_mnt: &(kmem_cache#2-oX (struct mount))->mnt
	//
	// (&(kmem_cache#19-oX (struct pid))->count)->counter: 1
	// (&(kmem_cache#19-oX (struct pid))->tasks[0...2])->first: NULL
	//
	// (&(&(kmem_cache#19-oX (struct pid))->numbers[0])->pid_chain)->next: NULL
	// (&(&(kmem_cache#19-oX (struct pid))->numbers[0])->pid_chain)->pprev: &(&(pid hash를 위한 메모리 공간을 16kB)[계산된 hash index 값])->first
	// ((&(pid hash를 위한 메모리 공간을 16kB)[계산된 hash index 값])->first): &(&(kmem_cache#19-oX (struct pid))->numbers[0])->pid_chain
	//
	// (&init_pid_ns)->nr_hashed: 0x80000001
	//
	// (kmem_cache#15-oX (struct task_struct))->set_child_tid: NULL
	// (kmem_cache#15-oX (struct task_struct))->clear_child_tid: NULL
	// (kmem_cache#15-oX (struct task_struct))->plug: NULL
	// (kmem_cache#15-oX (struct task_struct))->robust_list: NULL
	//
	// (&(kmem_cache#15-oX (struct task_struct))->pi_state_list)->next: &(kmem_cache#15-oX (struct task_struct))->pi_state_list
	// (&(kmem_cache#15-oX (struct task_struct))->pi_state_list)->prev: &(kmem_cache#15-oX (struct task_struct))->pi_state_list
	//
	// (kmem_cache#15-oX (struct task_struct))->pi_state_cache: NULL
	//
	// (kmem_cache#15-oX (struct task_struct))->sas_ss_sp: 0
	// (kmem_cache#15-oX (struct task_struct))->sas_ss_size: 0
	//
	// (((struct thread_info *)(할당 받은 page 2개의 메로리의 가상 주소))->flags 의 8 bit 값을 clear 수행
	//
	// (kmem_cache#15-oX (struct task_struct))->pid: 1
	// (kmem_cache#15-oX (struct task_struct))->exit_signal: 0
	// (kmem_cache#15-oX (struct task_struct))->group_leader: kmem_cache#15-oX (struct task_struct)
	// (kmem_cache#15-oX (struct task_struct))->tgid: 1
	//
	// (kmem_cache#15-oX (struct task_struct))->pdeath_signal: 0
	// (kmem_cache#15-oX (struct task_struct))->exit_state: 0
	// (kmem_cache#15-oX (struct task_struct))->nr_dirtied: 0
	// (kmem_cache#15-oX (struct task_struct))->nr_dirtied_pause: 32
	// (kmem_cache#15-oX (struct task_struct))->dirty_paused_when: 0
	//
	// (&(kmem_cache#15-oX (struct task_struct))->thread_group)->next: &(kmem_cache#15-oX (struct task_struct))->thread_group
	// (&(kmem_cache#15-oX (struct task_struct))->thread_group)->prev: &(kmem_cache#15-oX (struct task_struct))->thread_group
	//
	// (kmem_cache#15-oX (struct task_struct))->task_works: NULL
	//
	// (kmem_cache#15-oX (struct task_struct))->real_parent: &init_task
	// (kmem_cache#15-oX (struct task_struct))->parent_exec_id: 0
	//
	// (init_task의 struct thread_info 주소값)->flags 의 0 bit 값을 clear 수행
	//
	// (&(kmem_cache#15-oX (struct task_struct))->ptrace_entry)->next: &(kmem_cache#15-oX (struct task_struct))->ptrace_entry
	// (&(kmem_cache#15-oX (struct task_struct))->ptrace_entry)->prev: &(kmem_cache#15-oX (struct task_struct))->ptrace_entry
	// (&(kmem_cache#15-oX (struct task_struct))->ptraced)->next: &(kmem_cache#15-oX (struct task_struct))->ptraced
	// (&(kmem_cache#15-oX (struct task_struct))->ptraced)->prev: &(kmem_cache#15-oX (struct task_struct))->ptraced
	// (kmem_cache#15-oX (struct task_struct))->jobctl: 0
	// (kmem_cache#15-oX (struct task_struct))->ptrace: 0
	// (kmem_cache#15-oX (struct task_struct))->parent: &init_task
	//
	// (kmem_cache#15-oX (struct task_struct))->pids[0].pid: kmem_cache#19-oX (struct pid)
	//
	// (kmem_cache#15-oX (struct task_struct))->pids[1].pid: &init_struct_pid
	// (kmem_cache#15-oX (struct task_struct))->pids[2].pid: &init_struct_pid
	//
	// (kmem_cache#13-oX (struct signal_struct))->flags: 0x00000040
	// (kmem_cache#13-oX (struct signal_struct))->leader_pid: kmem_cache#19-oX (struct pid)
	// (kmem_cache#13-oX (struct signal_struct))->tty: NULL
	//
	// list head 인 &(&init_task)->children 에 &(kmem_cache#15-oX (struct task_struct))->sibling 을 tail에 연결
	//
	// (&(kmem_cache#15-oX (struct task_struct))->tasks)->next: &init_task.tasks
	// (&(kmem_cache#15-oX (struct task_struct))->tasks)->prev: (&init_task.tasks)->prev
	//
	// core간 write memory barrier 수행
	// ((*((struct list_head __rcu **) (&((&init_task.tasks)->prev)->next)))):
	// (typeof(*&(kmem_cache#15-oX (struct task_struct))->tasks) __force __rcu *)(&(kmem_cache#15-oX (struct task_struct))->tasks);
	//
	// (&init_task.tasks)->prev: &(kmem_cache#15-oX (struct task_struct))->tasks
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[1])->node)->next: NULL
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[1])->node)->pprev: &(&(&init_struct_pid)->tasks[1])->first
	//
	// ((*((struct hlist_node __rcu **)(&(&(&init_struct_pid)->tasks[1])->first)))): &(&(kmem_cache#15-oX (struct task_struct))->pids[1])->node
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[2])->node)->next: NULL
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[2])->node)->pprev: &(&(&init_struct_pid)->tasks[2])->first
	//
	// ((*((struct hlist_node __rcu **)(&(&(&init_struct_pid)->tasks[2])->first)))): &(&(kmem_cache#15-oX (struct task_struct))->pids[2])->node
	//
	// [pcp0] process_counts: 1 로 증가시킴
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[0])->node)->next: NULL
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[0])->node)->pprev: &(&(kmem_cache#19-oX (struct pid))->tasks[0])->first
	//
	// ((*((struct hlist_node __rcu **)(&(&(kmem_cache#19-oX (struct pid))->tasks[0])->first)))): &(&(kmem_cache#15-oX (struct task_struct))->pids[0])->node
	//
	// nr_threads: 1
	//
	// total_forks: 1
	//
	// (kmem_cache#15-oX (struct task_struct))->se.cfs_rq: [pcp0] &(&runqueues)->cfs
	// (kmem_cache#15-oX (struct task_struct))->se.parent: NULL
	// (kmem_cache#15-oX (struct task_struct))->rt.rt_rq: [pcp0] &(&runqueues)->rt
	// (kmem_cache#15-oX (struct task_struct))->rt.parent: NULL
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu: 0
	// (kmem_cache#15-oX (struct task_struct))->wake_cpu: 0
	//
	// (kmem_cache#15-oX (struct task_struct))->se.avg.decay_count: 0
	// (kmem_cache#15-oX (struct task_struct))->se.avg.runnable_avg_sum: 현재 task의 남아 있는 수행 시간량 / 1024
	// (kmem_cache#15-oX (struct task_struct))->se.avg.runnable_avg_period: 현재 task의 남아 있는 수행 시간량 / 1024
	// (&(kmem_cache#15-oX (struct task_struct))->se)->avg.load_avg_contrib:
	// 현재 task의 남아 있는 수행 시간량 / (현재 task의 남아 있는 수행 시간량 / 1024 + 1)
	//
	// [pcp0] (&runqueues)->clock: 현재의 schedule 시간값
	// [pcp0] (&runqueues)->clock_task: 현재의 schedule 시간값
	//
	// (&(kmem_cache#15-oX (struct task_struct))->se)->vruntime: 0x4B8D7E
	//
	// (&(kmem_cache#15-oX (struct task_struct))->se)->avg.last_runnable_update: 현재의 schedule 시간값
	// [pcp0] (&(&runqueues)->cfs)->runnable_load_avg: 현재 task의 남아 있는 수행 시간량 / (현재 task의 남아 있는 수행 시간량 / 1024 + 1)
	//
	// decays: 현재의 schedule 시간값>> 20 값이 0이 아닌 상수 값이라 가정하고 분석 진행
	//
	// [pcp0] (&(&runqueues)->cfs)->blocked_load_avg: 0
	// [pcp0] (&(&(&runqueues)->cfs)->decay_counter)->counter: 2
	// [pcp0] (&(&runqueues)->cfs)->last_decay: 현재의 schedule 시간값>> 20
	//
	// (&(&root_task_group)->load_avg)->counter: 현재 task의 남아 있는 수행 시간량 / (현재 task의 남아 있는 수행 시간량 / 1024 + 1)
	// [pcp0] (&(&runqueues)->cfs)->tg_load_contrib: 현재 task의 남아 있는 수행 시간량 / (현재 task의 남아 있는 수행 시간량 / 1024 + 1)
	//
	// [pcp0] (&(&(&runqueues)->cfs)->load)->weight: 2048
	// [pcp0] (&(&(&runqueues)->cfs)->load)->inv_weight: 0
	// [pcp0] (&(&runqueues)->load)->weight: 1024
	// [pcp0] (&(&runqueues)->load)->inv_weight: 0
	// [pcp0] &(&runqueues)->cfs_tasks 란 list head에 &(&(kmem_cache#15-oX (struct task_struct))->se)->group_node 를 추가함
	// [pcp0] (&(&runqueues)->cfs)->nr_running: 1
	//
	// [pcp0] (&(&runqueues)->cfs)->rb_leftmost: &(&(kmem_cache#15-oX (struct task_struct))->se)->run_node
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->run_node)->__rb_parent_color: NULL
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->run_node)->rb_left: NULL
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->run_node)->rb_right: NULL
	// [pcp0] (&(&runqueues)->cfs)->tasks_timeline.rb_node: &(&(kmem_cache#15-oX (struct task_struct))->se)->run_node
	//
	/*
	// rb tree 의 root인 [pcp0] &(&(&runqueues)->cfs)->tasks_timeline 에
	// rb node인 &(&(kmem_cache#15-oX (struct task_struct))->se)->run_node 가 추가되어 rb tree 구성
	//
	//                            task ID: 1-b
	//                            /           \
	*/
	// (&(kmem_cache#15-oX (struct task_struct))->se)->on_rq: 1
	//
	// list head인 [pcp0] &(&runqueues)->leaf_cfs_rq_list에 [pcp0] &(&(&runqueues)->cfs)->leaf_cfs_rq_list 을 tail에 추가함
	//
	// [pcp0] (&(&(&runqueues)->cfs)->leaf_cfs_rq_list)->next: [pcp0] &(&runqueues)->leaf_cfs_rq_list
	// [pcp0] (&(&(&runqueues)->cfs)->leaf_cfs_rq_list)->prev: [pcp0] (&(&runqueues)->leaf_cfs_rq_list)->prev
	//
	// core간 write memory barrier 수행
	// ((*((struct list_head __rcu **) (&(([pcp0] &(&runqueues)->leaf_cfs_rq_list)->prev)->next)))):
	// (typeof(*[pcp0] &(&(&runqueues)->cfs)->leaf_cfs_rq_list) __force __rcu *)([pcp0] &(&(&runqueues)->cfs)->leaf_cfs_rq_list);
	//
	// [pcp0] (&(&runqueues)->leaf_cfs_rq_list)->prev: [pcp0] &(&(&runqueues)->cfs)->leaf_cfs_rq_list
	//
	// [pcp0] (&(&runqueues)->cfs)->on_list: 1
	//
	// [pcp0] (&(&runqueues)->cfs)->blocked_load_avg: 0
	// (&(&(&runqueues)->cfs)->decay_counter)->counter: 현재의 schedule 시간값>> 20 + 1 + 시간값x
	// [pcp0] (&(&runqueues)->cfs)->last_decay: 현재의 schedule 시간값 + 시간값x >> 20
	//
	// [pcp0] (&(&runqueues)->cfs)->h_nr_running: 2
	//
	// delta: 현재의 schedule 시간 변화값은 signed 로 변경시 0 보다 큰 값으로 가정하고 코드 분석 진행
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->avg)->last_runnable_update: 현재의 schedule 시간값
	//
	// delta + delta_w 값이 1024 보다 작은 값이라고 가정하고 코드 분석 진행
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->avg)->runnable_avg_sum:
	// 현재 task의 남아 있는 수행 시간량 / 1024 + 현재의 schedule 시간 변화값
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->avg)->runnable_avg_period:
	// 현재 task의 남아 있는 수행 시간량 / 1024 + 현재의 schedule 시간 변화값
	//
	// (kmem_cache#15-oX (struct task_struct))->on_rq: 1

	numa_default_policy(); // null function

	// CLONE_FS: 0x00000200, CLONE_FILES: 0x00000400
	// kernel_thread(kthreadd, NULL, 0x00000600): 2
	pid = kernel_thread(kthreadd, NULL, CLONE_FS | CLONE_FILES);
	// pid: 2

	// kernel_thread 에서 한일:
	// struct task_struct 만큼의 메모리를 할당 받음
	// kmem_cache#15-oX (struct task_struct)
	//
	// struct thread_info 를 구성 하기 위한 메모리를 할당 받음 (8K)
	// 할당 받은 page 2개의 메로리의 가상 주소
	//
	// 할당 받은 kmem_cache#15-oX (struct task_struct) 메모리에 init_task 값을 전부 할당함
	//
	// (kmem_cache#15-oX (struct task_struct))->stack: 할당 받은 page 2개의 메로리의 가상 주소
	//
	// 할당 받은 kmem_cache#15-oX (struct task_struct) 의 stack의 값을 init_task 의 stack 값에서 전부 복사함
	// 복사된 struct thread_info 의 task 주소값을 할당 받은 kmem_cache#15-oX (struct task_struct)로 변경함
	// *(할당 받은 page 2개의 메로리의 가상 주소): init_thread_info
	// ((struct thread_info *) 할당 받은 page 2개의 메로리의 가상 주소)->task: kmem_cache#15-oX (struct task_struct)
	//
	// (((struct thread_info *)(할당 받은 page 2개의 메로리의 가상 주소))->flags 의 1 bit 값을 clear 수행
	//
	// *((unsigned long *)(할당 받은 page 2개의 메로리의 가상 주소 + 1)): 0x57AC6E9D
	//
	// (&(kmem_cache#15-oX (struct task_struct))->usage)->counter: 2
	// (kmem_cache#15-oX (struct task_struct))->splice_pipe: NULL
	// (kmem_cache#15-oX (struct task_struct))->task_frag.page: NULL
	//
	// (&contig_page_data)->node_zones[0].vm_stat[16]: 1 을 더함
	// vmstat.c의 vm_stat[16] 전역 변수에도 1을 더함
	//
	// &(kmem_cache#15-oX (struct task_struct))->pi_lock을 사용한 spinlock 초기화
	// &(kmem_cache#15-oX (struct task_struct))->pi_waiters 리스트 초기화
	// (kmem_cache#15-oX (struct task_struct))->pi_blocked_on: NULL
	//
	// (&init_task)->flags: 0x00200100
	//
	// struct cred 만큼의 메모리를 할당 받음
	// kmem_cache#16-oX (struct cred)
	//
	// kmem_cache#16-oX (struct cred) 에 init_cred 에 있는 맴버값 전부를 복사함
	// (&(kmem_cache#16-oX (struct cred))->usage)->counter: 1
	// (&(&init_groups)->usage)->counter: 4
	// (&(&root_user)->__count)->counter: 3
	//
	// (&(kmem_cache#16-oX (struct cred))->usage)->counter: 2
	//
	// (kmem_cache#15-oX (struct task_struct))->cred: kmem_cache#16-oX (struct cred)
	// (kmem_cache#15-oX (struct task_struct))->real_cred: kmem_cache#16-oX (struct cred)
	// (kmem_cache#15-oX (struct task_struct))->did_exec: 0
	// (kmem_cache#15-oX (struct task_struct))->flags: 0x00200040
	//
	// (&(kmem_cache#15-oX (struct task_struct))->children)->next: &(kmem_cache#15-oX (struct task_struct))->children
	// (&(kmem_cache#15-oX (struct task_struct))->children)->prev: &(kmem_cache#15-oX (struct task_struct))->children
	// (&(kmem_cache#15-oX (struct task_struct))->sibling)->next: &(kmem_cache#15-oX (struct task_struct))->sibling
	// (&(kmem_cache#15-oX (struct task_struct))->sibling)->prev: &(kmem_cache#15-oX (struct task_struct))->sibling
	//
	// (kmem_cache#15-oX (struct task_struct))->rcu_read_lock_nesting: 0
	// (kmem_cache#15-oX (struct task_struct))->rcu_read_unlock_special: 0
	// (kmem_cache#15-oX (struct task_struct))->rcu_blocked_node: NULL
	// (&(kmem_cache#15-oX (struct task_struct))->rcu_node_entry)->next: &(kmem_cache#15-oX (struct task_struct))->rcu_node_entry
	// (&(kmem_cache#15-oX (struct task_struct))->rcu_node_entry)->prev: &(kmem_cache#15-oX (struct task_struct))->rcu_node_entry
	//
	// (kmem_cache#15-oX (struct task_struct))->vfork_done: NULL
	//
	// (&(kmem_cache#15-oX (struct task_struct))->alloc_lock)->raw_lock: { { 0 } }
	// (&(kmem_cache#15-oX (struct task_struct))->alloc_lock)->magic: 0xdead4ead
	// (&(kmem_cache#15-oX (struct task_struct))->alloc_lock)->owner: 0xffffffff
	// (&(kmem_cache#15-oX (struct task_struct))->alloc_lock)->owner_cpu: 0xffffffff
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->pending)->signal)->sig[0]: 0
	// (&(&(kmem_cache#15-oX (struct task_struct))->pending)->signal)->sig[1]: 0
	// (&(&(kmem_cache#15-oX (struct task_struct))->pending)->list)->next: &(&(kmem_cache#15-oX (struct task_struct))->pending)->list
	// (&(&(kmem_cache#15-oX (struct task_struct))->pending)->list)->prev: &(&(kmem_cache#15-oX (struct task_struct))->pending)->list
	//
	// (kmem_cache#15-oX (struct task_struct))->utime: 0
	// (kmem_cache#15-oX (struct task_struct))->stime: 0
	// (kmem_cache#15-oX (struct task_struct))->gtime: 0
	// (kmem_cache#15-oX (struct task_struct))->utimescaled: 0
	// (kmem_cache#15-oX (struct task_struct))->stimescaled: 0
	//
	// &(kmem_cache#15-oX (struct task_struct))->rss_stat 값을 0 으로 초기화 수행
	//
	// (kmem_cache#15-oX (struct task_struct))->default_timer_slack_ns: 50000
	//
	// (kmem_cache#15-oX (struct task_struct))->cputime_expires.prof_exp: 0
	// (kmem_cache#15-oX (struct task_struct))->cputime_expires.virt_exp: 0
	// (kmem_cache#15-oX (struct task_struct))->cputime_expires.sched_exp: 0
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[0])->next: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[0]
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[0])->prev: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[0]
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[1])->next: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[1]
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[1])->prev: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[1]
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[2])->next: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[2]
	// (&(kmem_cache#15-oX (struct task_struct))->cpu_timers[2])->prev: &(kmem_cache#15-oX (struct task_struct))->cpu_timers[2]
	//
	// (kmem_cache#15-oX (struct task_struct))->start_time 에 현재 시간 값을 가져옴
	// (&(kmem_cache#15-oX (struct task_struct))->start_time)->tv_sec: 현재의 sec 값 + 현재의 nsec 값 / 1000000000L
	// (&(kmem_cache#15-oX (struct task_struct))->start_time)->tv_nsec: 현재의 nsec 값 % 1000000000L
	// (&(kmem_cache#15-oX (struct task_struct))->real_start_time)->tv_sec: 현재의 sec 값 + 현재의 nsec 값 / 1000000000L
	// (&(kmem_cache#15-oX (struct task_struct))->real_start_time)->tv_nsec: 현재의 nsec 값 % 1000000000L
	// (kmem_cache#15-oX (struct task_struct))->real_start_time.tv_sec: normalized 된 sec 값
	// (kmem_cache#15-oX (struct task_struct))->real_start_time.tv_nsec: normalized 된 nsec 값
	//
	// (kmem_cache#15-oX (struct task_struct))->io_context: NULL
	// (kmem_cache#15-oX (struct task_struct))->audit_context: NULL
	//
	// rcu reference의 값 (&init_task)->cgroups 이 유요한지 체크하고 그 값을 리턴함
	// ((&init_task)->cgroups)->refcount: 1
	// (kmem_cache#15-oX (struct task_struct))->cgroups: (&init_task)->cgroups
	//
	// (&(kmem_cache#15-oX (struct task_struct))->cg_list)->next: &(kmem_cache#15-oX (struct task_struct))->cg_list
	// (&(kmem_cache#15-oX (struct task_struct))->cg_list)->prev: &(kmem_cache#15-oX (struct task_struct))->cg_list
	//
	// (kmem_cache#15-oX (struct task_struct))->blocked_on: NULL
	//
	// (&kmem_cache#15-oX (struct task_struct))->on_rq: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.on_rq: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.exec_start: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.sum_exec_runtime: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.prev_sum_exec_runtime: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.nr_migrations: 0
	// (&kmem_cache#15-oX (struct task_struct))->se.vruntime: 0
	// &(&kmem_cache#15-oX (struct task_struct))->se.group_node의 리스트 초기화
	// &(&kmem_cache#15-oX (struct task_struct))->rt.run_list의 리스트 초기화
	//
	// (kmem_cache#15-oX (struct task_struct))->state: 0
	// (kmem_cache#15-oX (struct task_struct))->prio: 120
	// (kmem_cache#15-oX (struct task_struct))->sched_class: &fair_sched_class
	//
	// 현재의 schedule 시간값과 기존의 (&runqueues)->clock 의 값의 차이값을
	// [pcp0] (&runqueues)->clock, [pcp0] (&runqueues)->clock_task 의 값에 더해 갱신함
	//
	// [pcp0] (&runqueues)->clock: schedule 시간 차이값
	// [pcp0] (&runqueues)->clock_task: schedule 시간 차이값
	//
	// (kmem_cache#15-oX (struct task_struct))->se.cfs_rq: [pcp0] &(&runqueues)->cfs
	// (kmem_cache#15-oX (struct task_struct))->se.parent: NULL
	// (kmem_cache#15-oX (struct task_struct))->rt.rt_rq: [pcp0] &(&runqueues)->rt
	// (kmem_cache#15-oX (struct task_struct))->rt.parent: NULL
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu: 0
	// (kmem_cache#15-oX (struct task_struct))->wake_cpu: 0
	// (&(kmem_cache#15-oX (struct task_struct))->se)->vruntime: 0x5B8D7E
	// (kmem_cache#15-oX (struct task_struct))->se.cfs_rq: [pcp0] &(&runqueues)->cfs
	// (kmem_cache#15-oX (struct task_struct))->se.parent: NULL
	// (kmem_cache#15-oX (struct task_struct))->rt.rt_rq: [pcp0] &(&runqueues)->rt
	// (kmem_cache#15-oX (struct task_struct))->rt.parent: NULL
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu: 0
	// (kmem_cache#15-oX (struct task_struct))->wake_cpu: 0
	// (kmem_cache#15-oX (struct task_struct))->on_cpu: 0
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->preempt_count: 1
	// (&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->prio: 140
	// (&(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->prio_list)->next: &(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->prio_list
	// (&(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->prio_list)->prev: &(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->prio_list
	// (&(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->node_list)->next: &(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->node_list
	// (&(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->node_list)->prev: &(&(kmem_cache#15-oX (struct task_struct))->pushable_tasks)->node_list
	//
	// (kmem_cache#15-oX (struct task_struct))->sysvsem.undo_list: NULL
	//
	// files_cachep: kmem_cache#12 을 사용하여 struct files_struct 을 위한 메모리를 할당함
	// kmem_cache#12-oX (struct files_struct)
	//
	// (kmem_cache#12-oX (struct files_struct))->count: 1
	//
	// &(kmem_cache#12-oX (struct files_struct))->file_lock을 이용한 spin lock 초기화 수행
	// ((&(kmem_cache#12-oX (struct files_struct))->file_lock)->rlock)->raw_lock: { { 0 } }
	// ((&(kmem_cache#12-oX (struct files_struct))->file_lock)->rlock)->magic: 0xdead4ead
	// ((&(kmem_cache#12-oX (struct files_struct))->file_lock)->rlock)->owner: 0xffffffff
	// ((&(kmem_cache#12-oX (struct files_struct))->file_lock)->rlock)->owner_cpu: 0xffffffff
	//
	// (kmem_cache#12-oX (struct files_struct))->next_fd: 0
	// (&(kmem_cache#12-oX (struct files_struct))->fdtab)->max_fds: 32
	// (&(kmem_cache#12-oX (struct files_struct))->fdtab)->close_on_exec: (kmem_cache#12-oX (struct files_struct))->close_on_exec_init
	// (&(kmem_cache#12-oX (struct files_struct))->fdtab)->open_fds: (kmem_cache#12-oX (struct files_struct))->open_fds_init
	// (&(kmem_cache#12-oX (struct files_struct))->fdtab)->fd: &(kmem_cache#12-oX (struct files_struct))->fd_array[0]
	//
	// &(&init_files)->file_lock 을 사용하여 spin lock 수행
	//
	// (kmem_cache#12-oX (struct files_struct))->open_fds_init 에 init_files.open_fds_init 값을 복사
	// (kmem_cache#12-oX (struct files_struct))->open_fds_init: NULL
	// (kmem_cache#12-oX (struct files_struct))->close_on_exec_init 에 init_files.close_on_exec_init 값을 복사
	// (kmem_cache#12-oX (struct files_struct))->close_on_exec_init: NULL
	//
	// (&(kmem_cache#12-oX (struct files_struct))->fdtab)->open_fds 의 0~31 bit 를 clear 함
	// (kmem_cache#12-oX (struct files_struct))->fd_array[0...31]: NULL
	// &(kmem_cache#12-oX (struct files_struct))->fd_array[0] 에 값을 size 0 만큼 0 으로 set 함
	//
	// (kmem_cache#12-oX (struct files_struct))->fdt: &(kmem_cache#12-oX (struct files_struct))->fdtab
	//
	// (kmem_cache#15-oX (struct task_struct))->files: kmem_cache#12-oX (struct files_struct)
	//
	// (&init_fs)->users: 2
	//
	// (&init_sighand)->count: { (2) }
	//
	// struct signal_struct 크기 만큼의 메모리를 할당함
	// kmem_cache#13-oX (struct signal_struct)
	//
	// (kmem_cache#15-oX (struct task_struct))->signal: kmem_cache#13-oX (struct signal_struct)
	//
	// (kmem_cache#13-oX (struct signal_struct))->nr_threads: 1
	// (kmem_cache#13-oX (struct signal_struct))->live: { (1) }
	// (kmem_cache#13-oX (struct signal_struct))->sigcnt: { (1) }
	// &(&(kmem_cache#13-oX (struct signal_struct))->wait_chldexit)->lock을 사용한 spinlock 초기화
	// &(&(kmem_cache#13-oX (struct signal_struct))->wait_chldexit)->task_list를 사용한 list 초기화
	//
	// (kmem_cache#13-oX (struct signal_struct))->curr_target: kmem_cache#15-oX (struct task_struct)
	//
	// (&(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->signal)->sig[0]: 0
	// (&(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->signal)->sig[1]: 0
	// (&(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->list)->next: &(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->list
	// (&(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->list)->prev: &(&(kmem_cache#13-oX (struct signal_struct))->shared_pending)->list
	// (&(kmem_cache#13-oX (struct signal_struct))->posix_timers)->next: &(kmem_cache#13-oX (struct signal_struct))->posix_timers
	// (&(kmem_cache#13-oX (struct signal_struct))->posix_timers)->prev: &(kmem_cache#13-oX (struct signal_struct))->posix_timers
	//
	// (kmem_cache#13-oX (struct signal_struct))->real_timer의 값을 0으로 초기화
	// (&(kmem_cache#13-oX (struct signal_struct))->real_timer)->base: [pcp0] &(&hrtimer_bases)->clock_base[0]
	// RB Tree의 &(&(kmem_cache#13-oX (struct signal_struct))->real_timer)->node 를 초기화
	//
	// (kmem_cache#13-oX (struct signal_struct))->real_timer.function: it_real_fn
	// (kmem_cache#13-oX (struct signal_struct))->rlim 에 (&init_signals)->rlim 값을 전부 복사함
	// &(kmem_cache#13-oX (struct signal_struct))->cputimer.lock 을 사용한 spinlock 초기화 수행
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[0])->next: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[0]
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[0])->prev: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[0]
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[1])->next: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[1]
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[1])->prev: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[1]
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[2])->next: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[2]
	// (&(kmem_cache#13-oX (struct signal_struct))->cpu_timers[2])->prev: &(kmem_cache#13-oX (struct signal_struct))->cpu_timers[2]
	// (&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->activity: 0
	// &(&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->wait_lock을 사용한 spinlock 초기화
	// (&(&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->wait_list)->next: &(&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->wait_list
	// (&(&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->wait_list)->prev: &(&(kmem_cache#13-oX (struct signal_struct))->group_rwsem)->wait_list
	// (kmem_cache#13-oX (struct signal_struct))->oom_score_adj: 0
	// (kmem_cache#13-oX (struct signal_struct))->oom_score_adj_min: 0
	// (kmem_cache#13-oX (struct signal_struct))->has_child_subreaper: 0
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->count: 1
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_lock)->rlock)->raw_lock: { { 0 } }
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_lock)->rlock)->magic: 0xdead4ead
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_lock)->rlock)->owner: 0xffffffff
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_lock)->rlock)->owner_cpu: 0xffffffff
	// (&(&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_list)->next: &(&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_list
	// (&(&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_list)->prev: &(&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->wait_list
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->onwer: NULL
	// (&(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex)->magic: &(kmem_cache#13-oX (struct signal_struct))->cred_guard_mutex
	//
	// (kmem_cache#15-oX (struct task_struct))->min_flt: 0
	// (kmem_cache#15-oX (struct task_struct))->maj_flt: 0
	// (kmem_cache#15-oX (struct task_struct))->nvcsw: 0
	// (kmem_cache#15-oX (struct task_struct))->nivcsw: 0
	// (kmem_cache#15-oX (struct task_struct))->last_switch_count: 0
	// (kmem_cache#15-oX (struct task_struct))->mm: NULL
	//
	// (&init_nsproxy)->count: { (2) }
	//
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu_context 의 값을 0으로 초기화 함
	// ((struct pt_regs *)(kmem_cache#15-oX (struct task_struct))->stack + 8183) 의 값을 0으로 초기화 함
	//
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu_context.r4: 0
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu_context.r5: kernel_init
	// ((struct pt_regs *)(kmem_cache#15-oX (struct task_struct))->stack + 8183)->uregs[16]: 0x00000013
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu_context.pc: ret_from_fork
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu_context.sp: ((struct pt_regs *)(kmem_cache#15-oX (struct task_struct))->stack + 8183)
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->tp_value[1]: TPIDRURW의 읽은 값
	//
	// struct pid 만큼의 메모리를 할당 받음
	// kmem_cache#19-oX (struct pid)
	//
	// (kmem_cache#19-oX (struct pid))->level: 0
	//
	// 기존에 할당받은 pidmap의 메모리 값
	// (&(&init_pid_ns)->pidmap[0])->page: kmem_cache#25-oX
	// kmem_cache#25-oX 의 2 bit 의 값을 1 으로 set
	// (&(&init_pid_ns)->pidmap[0])->nr_free: { (0x7FFE) }
	// &(&init_pid_ns)->last_pid 을 2 로 변경함
	//
	// (kmem_cache#19-oX (struct pid))->numbers[0].nr: 2
	// (kmem_cache#19-oX (struct pid))->numbers[0].ns: &init_pid_ns
	//
	// (&(kmem_cache#19-oX (struct pid))->count)->counter: 1
	//
	// (&(kmem_cache#19-oX (struct pid))->tasks[0...2])->first: NULL
	//
	// (&(&(kmem_cache#19-oX (struct pid))->numbers[0])->pid_chain)->next: NULL
	// (&(&(kmem_cache#19-oX (struct pid))->numbers[0])->pid_chain)->pprev: &(&(pid hash를 위한 메모리 공간을 16kB)[계산된 hash index 값])->first
	// ((&(pid hash를 위한 메모리 공간을 16kB)[계산된 hash index 값])->first): &(&(kmem_cache#19-oX (struct pid))->numbers[0])->pid_chain
	//
	// (&init_pid_ns)->nr_hashed: 0x80000002
	//
	// (kmem_cache#15-oX (struct task_struct))->set_child_tid: NULL
	// (kmem_cache#15-oX (struct task_struct))->clear_child_tid: NULL
	// (kmem_cache#15-oX (struct task_struct))->plug: NULL
	// (kmem_cache#15-oX (struct task_struct))->robust_list: NULL
	//
	// (&(kmem_cache#15-oX (struct task_struct))->pi_state_list)->next: &(kmem_cache#15-oX (struct task_struct))->pi_state_list
	// (&(kmem_cache#15-oX (struct task_struct))->pi_state_list)->prev: &(kmem_cache#15-oX (struct task_struct))->pi_state_list
	//
	// (kmem_cache#15-oX (struct task_struct))->pi_state_cache: NULL
	//
	// (kmem_cache#15-oX (struct task_struct))->sas_ss_sp: 0
	// (kmem_cache#15-oX (struct task_struct))->sas_ss_size: 0
	//
	// (((struct thread_info *)(할당 받은 page 2개의 메로리의 가상 주소))->flags 의 8 bit 값을 clear 수행
	//
	// (kmem_cache#15-oX (struct task_struct))->pid: 2
	// (kmem_cache#15-oX (struct task_struct))->exit_signal: 0
	// (kmem_cache#15-oX (struct task_struct))->group_leader: kmem_cache#15-oX (struct task_struct)
	// (kmem_cache#15-oX (struct task_struct))->tgid: 2
	//
	// (kmem_cache#15-oX (struct task_struct))->pdeath_signal: 0
	// (kmem_cache#15-oX (struct task_struct))->exit_state: 0
	// (kmem_cache#15-oX (struct task_struct))->nr_dirtied: 0
	// (kmem_cache#15-oX (struct task_struct))->nr_dirtied_pause: 32
	// (kmem_cache#15-oX (struct task_struct))->dirty_paused_when: 0
	//
	// (&(kmem_cache#15-oX (struct task_struct))->thread_group)->next: &(kmem_cache#15-oX (struct task_struct))->thread_group
	// (&(kmem_cache#15-oX (struct task_struct))->thread_group)->prev: &(kmem_cache#15-oX (struct task_struct))->thread_group
	//
	// (kmem_cache#15-oX (struct task_struct))->task_works: NULL
	//
	// (kmem_cache#15-oX (struct task_struct))->real_parent: &init_task
	// (kmem_cache#15-oX (struct task_struct))->parent_exec_id: 0
	//
	// (init_task의 struct thread_info 주소값)->flags 의 0 bit 값을 clear 수행
	//
	// (&(kmem_cache#15-oX (struct task_struct))->ptrace_entry)->next: &(kmem_cache#15-oX (struct task_struct))->ptrace_entry
	// (&(kmem_cache#15-oX (struct task_struct))->ptrace_entry)->prev: &(kmem_cache#15-oX (struct task_struct))->ptrace_entry
	// (&(kmem_cache#15-oX (struct task_struct))->ptraced)->next: &(kmem_cache#15-oX (struct task_struct))->ptraced
	// (&(kmem_cache#15-oX (struct task_struct))->ptraced)->prev: &(kmem_cache#15-oX (struct task_struct))->ptraced
	// (kmem_cache#15-oX (struct task_struct))->jobctl: 0
	// (kmem_cache#15-oX (struct task_struct))->ptrace: 0
	// (kmem_cache#15-oX (struct task_struct))->parent: &init_task
	//
	// (kmem_cache#15-oX (struct task_struct))->pids[0].pid: kmem_cache#19-oX (struct pid)
	//
	// (kmem_cache#15-oX (struct task_struct))->pids[1].pid: &init_struct_pid
	// (kmem_cache#15-oX (struct task_struct))->pids[2].pid: &init_struct_pid
	//
	// (kmem_cache#13-oX (struct signal_struct))->flags: 0x00000040
	// (kmem_cache#13-oX (struct signal_struct))->leader_pid: kmem_cache#19-oX (struct pid)
	// (kmem_cache#13-oX (struct signal_struct))->tty: NULL
	//
	// list head 인 &(&init_task)->children 에 &(kmem_cache#15-oX (struct task_struct))->sibling 을 tail에 연결
	//
	// (&(kmem_cache#15-oX (struct task_struct))->tasks)->next: &init_task.tasks
	// (&(kmem_cache#15-oX (struct task_struct))->tasks)->prev: (&init_task.tasks)->prev
	//
	// core간 write memory barrier 수행
	// ((*((struct list_head __rcu **) (&((&init_task.tasks)->prev)->next)))):
	// (typeof(*&(kmem_cache#15-oX (struct task_struct))->tasks) __force __rcu *)(&(kmem_cache#15-oX (struct task_struct))->tasks);
	//
	// (&init_task.tasks)->prev: &(kmem_cache#15-oX (struct task_struct))->tasks
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[1])->node)->next: NULL
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[1])->node)->pprev: &(&(&init_struct_pid)->tasks[1])->first
	//
	// ((*((struct hlist_node __rcu **)(&(&(&init_struct_pid)->tasks[1])->first)))): &(&(kmem_cache#15-oX (struct task_struct))->pids[1])->node
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[2])->node)->next: NULL
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[2])->node)->pprev: &(&(&init_struct_pid)->tasks[2])->first
	//
	// ((*((struct hlist_node __rcu **)(&(&(&init_struct_pid)->tasks[2])->first)))): &(&(kmem_cache#15-oX (struct task_struct))->pids[2])->node
	//
	// [pcp0] process_counts: 1 로 증가시킴
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[0])->node)->next: NULL
	// (&(&(kmem_cache#15-oX (struct task_struct))->pids[0])->node)->pprev: &(&(kmem_cache#19-oX (struct pid))->tasks[0])->first
	//
	// ((*((struct hlist_node __rcu **)(&(&(kmem_cache#19-oX (struct pid))->tasks[0])->first)))): &(&(kmem_cache#15-oX (struct task_struct))->pids[0])->node
	//
	// nr_threads: 2
	//
	// total_forks: 2
	//
	// (kmem_cache#15-oX (struct task_struct))->se.cfs_rq: [pcp0] &(&runqueues)->cfs
	// (kmem_cache#15-oX (struct task_struct))->se.parent: NULL
	// (kmem_cache#15-oX (struct task_struct))->rt.rt_rq: [pcp0] &(&runqueues)->rt
	// (kmem_cache#15-oX (struct task_struct))->rt.parent: NULL
	// ((struct thread_info *)(kmem_cache#15-oX (struct task_struct))->stack)->cpu: 0
	// (kmem_cache#15-oX (struct task_struct))->wake_cpu: 0
	//
	// (kmem_cache#15-oX (struct task_struct))->se.avg.decay_count: 0
	// (kmem_cache#15-oX (struct task_struct))->se.avg.runnable_avg_sum: 현재 task의 남아 있는 수행 시간량 / 1024
	// (kmem_cache#15-oX (struct task_struct))->se.avg.runnable_avg_period: 현재 task의 남아 있는 수행 시간량 / 1024
	// (&(kmem_cache#15-oX (struct task_struct))->se)->avg.load_avg_contrib:
	// 현재 task의 남아 있는 수행 시간량 / (현재 task의 남아 있는 수행 시간량 / 1024 + 1)
	//
	// [pcp0] (&runqueues)->clock: 현재의 schedule 시간값
	// [pcp0] (&runqueues)->clock_task: 현재의 schedule 시간값
	//
	// (&(kmem_cache#15-oX (struct task_struct))->se)->vruntime: 0x4B8D7E
	//
	// (&(kmem_cache#15-oX (struct task_struct))->se)->avg.last_runnable_update: 현재의 schedule 시간값
	// [pcp0] (&(&runqueues)->cfs)->runnable_load_avg: 현재 task의 남아 있는 수행 시간량 / (현재 task의 남아 있는 수행 시간량 / 1024 + 1)
	//
	// decays: 현재의 schedule 시간값>> 20 값이 0이 아닌 상수 값이라 가정하고 분석 진행
	//
	// [pcp0] (&(&runqueues)->cfs)->blocked_load_avg: 0
	// [pcp0] (&(&(&runqueues)->cfs)->decay_counter)->counter: 2
	// [pcp0] (&(&runqueues)->cfs)->last_decay: 현재의 schedule 시간값>> 20
	//
	// (&(&root_task_group)->load_avg)->counter: 현재 task의 남아 있는 수행 시간량 / (현재 task의 남아 있는 수행 시간량 / 1024 + 1)
	// [pcp0] (&(&runqueues)->cfs)->tg_load_contrib: 현재 task의 남아 있는 수행 시간량 / (현재 task의 남아 있는 수행 시간량 / 1024 + 1)
	//
	// [pcp0] (&(&(&runqueues)->cfs)->load)->weight: 2048
	// [pcp0] (&(&(&runqueues)->cfs)->load)->inv_weight: 0
	// [pcp0] (&(&runqueues)->load)->weight: 1024
	// [pcp0] (&(&runqueues)->load)->inv_weight: 0
	// [pcp0] &(&runqueues)->cfs_tasks 란 list head에 &(&(kmem_cache#15-oX (struct task_struct))->se)->group_node 를 추가함 (pid 2)
	// [pcp0] (&(&runqueues)->cfs)->nr_running: 2
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->run_node (pid 2))->__rb_parent_color: &(&(kmem_cache#15-oX (struct task_struct))->se)->run_node (pid 1)
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->run_node (pid 2))->rb_left: NULL
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->run_node (pid 2))->rb_right: NULL
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->run_node (pid 1))->rb_right: &(&(kmem_cache#15-oX (struct task_struct))->se)->run_node (pid 2)
	/*
	// rb tree 의 root인 [pcp0] &(&(&runqueues)->cfs)->tasks_timeline 에
	// rb node인 &se->run_node: &(&(kmem_cache#15-oX (struct task_struct))->se)->run_node (pid 2) 가 추가되어 rb tree 구성
	//
	//                            task ID: 1-b
	//                            /           \
	//                                   task ID: 2-r
	*/
	// (&(kmem_cache#15-oX (struct task_struct))->se)->on_rq: 1
	//
	// [pcp0] (&(&runqueues)->cfs)->h_nr_running: 4
	//
	// delta: 현재의 schedule 시간 변화값은 signed 로 변경시 0 보다 큰 값으로 가정하고 코드 분석 진행
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->avg)->last_runnable_update: 현재의 schedule 시간값
	//
	// delta + delta_w 값이 1024 보다 작은 값이라고 가정하고 코드 분석 진행
	//
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->avg)->runnable_avg_sum:
	// 현재 task의 남아 있는 수행 시간량 / 1024 + 현재의 schedule 시간 변화값
	// (&(&(kmem_cache#15-oX (struct task_struct))->se)->avg)->runnable_avg_period:
	// 현재 task의 남아 있는 수행 시간량 / 1024 + 현재의 schedule 시간 변화값
	//
	// (kmem_cache#15-oX (struct task_struct))->on_rq: 1

	rcu_read_lock();

	// rcu_read_lock 에서 한일:
	// (&init_task)->rcu_read_lock_nesting: 1

	// pid: 2
	kthreadd_task = find_task_by_pid_ns(pid, &init_pid_ns);

kernel_thread()

• start_kernel()

• rest_init()

• call: rest_init()

• rcu_scheduler_starting()
• kernel_thread()
• ...
• find_task_by_pid()

// ARM10C 20170624
// pid: 2, &init_pid_ns
struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)
{
	// rcu_read_lock_held(): 1
	rcu_lockdep_assert(rcu_read_lock_held(),
			   "find_task_by_pid_ns() needs rcu_read_lock()"
			   " protection"); // null function

	// nr: 2, ns: &init_pid_ns, find_pid_ns(2, &init_pid_ns): kmem_cache#19-oX (struct pid) (pid 2), PIDTYPE_PID: 0
	return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
}

pid_task()

• start_kernel()

• rest_init()

• call: rest_init()

• rcu_scheduler_starting()
• kernel_thread()
• ...
• find_task_by_pid()

// ARM10C 20170624
// kmem_cache#19-oX (struct pid) (pid 2), PIDTYPE_PID: 0
struct task_struct *pid_task(struct pid *pid, enum pid_type type)
{
	struct task_struct *result = NULL;
	// result: NULL

// 2017/06/24 종료

	if (pid) {
		struct hlist_node *first;
		first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]),
					      lockdep_tasklist_lock_is_held());
		if (first)
			result = hlist_entry(first, struct task_struct, pids[(type)].node);
	}
	return result;
}
EXPORT_SYMBOL(pid_task);

rest_init()

	// pid: 2
	kthreadd_task = find_task_by_pid_ns(pid, &init_pid_ns);
	rcu_read_unlock();
	complete(&kthreadd_done);

• call:complete(&kthreadd_done);

complete(&kthreadd_done);

static __initdata DECLARE_COMPLETION(kthreadd_done);

void complete(struct completion *x)
{
	unsigned long flags;

	spin_lock_irqsave(&x->wait.lock, flags);
	x->done++;
	__wake_up_locked(&x->wait, TASK_NORMAL, 1);
	spin_unlock_irqrestore(&x->wait.lock, flags);
}
EXPORT_SYMBOL(complete);

rest_init()

log

4e061decff45..3504e4a802f2  master     -> origin/master
Updating 4e061decff45..3504e4a802f2
Fast-forward
 include/asm-generic/current.h |  1 +
 include/linux/completion.h    | 18 ++++++++++++++++++
 include/linux/list.h          | 12 ++++++++++++
 include/linux/rculist.h       |  2 ++
 include/linux/rcupdate.h      |  1 +
 include/linux/sched.h         |  3 ++-
 include/linux/spinlock.h      |  2 ++
 include/linux/types.h         |  1 +
 include/linux/wait.h          |  2 ++
 init/main.c                   | 38 +++++++++++++++++++++++++++++++++++++-
 kernel/fork.c                 |  2 +-
 kernel/pid.c                  | 18 ++++++++++++++++++
 kernel/sched/completion.c     | 14 ++++++++++++++
 kernel/sched/core.c           |  4 ++++
 kernel/sched/idle_task.c      |  1 +
 kernel/sched/wait.c           | 11 +++++++++++
 16 files changed, 127 insertions(+), 3 deletions(-)