#ifndef _LINUX__INIT_TASK_H
  #define _LINUX__INIT_TASK_H

  #include <linux/rcupdate.h>

  #include <linux/irqflags.h>

  #include <linux/utsname.h>

  #include <linux/lockdep.h>

  #include <linux/ftrace.h>

  #include <linux/ipc.h>

  #include <linux/pid_namespace.h>

  #include <linux/user_namespace.h>

  #include <linux/securebits.h>

  #include <net/net_namespace.h>

  extern struct files_struct init_files;

  extern struct fs_struct init_fs;

  #define INIT_SIGNALS(sig) {						\

  	.nr_threads	= 1,						\

  	.wait_chldexit	= __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\

  	.shared_pending	= { 						\

  		.list = LIST_HEAD_INIT(sig.shared_pending.list),	\

  		.signal =  {{0}}},					\

  	.posix_timers	 = LIST_HEAD_INIT(sig.posix_timers),		\
  	.cpu_timers	= INIT_CPU_TIMERS(sig.cpu_timers),		\
  	.rlim		= INIT_RLIMITS,					\

  	.cputimer	= { 						\
  		.cputime = INIT_CPUTIME,				\
  		.running = 0,						\
  		.lock = __SPIN_LOCK_UNLOCKED(sig.cputimer.lock),	\
  	},								\

  }

  extern struct nsproxy init_nsproxy;

  #define INIT_SIGHAND(sighand) {						\
  	.count		= ATOMIC_INIT(1), 				\

  	.action		= { { { .sa_handler = SIG_DFL, } }, },		\

  	.siglock	= __SPIN_LOCK_UNLOCKED(sighand.siglock),	\

  	.signalfd_wqh	= __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh),	\

  }
  
  extern struct group_info init_groups;

  #define INIT_STRUCT_PID {						\
  	.count 		= ATOMIC_INIT(1),				\

  	.tasks		= {						\

  		{ .first = NULL },					\
  		{ .first = NULL },					\
  		{ .first = NULL },					\

  	},								\

  	.level		= 0,						\
  	.numbers	= { {						\
  		.nr		= 0,					\
  		.ns		= &init_pid_ns,				\
  		.pid_chain	= { .next = NULL, .pprev = NULL },	\
  	}, }								\

  }
  
  #define INIT_PID_LINK(type) 					\
  {								\
  	.node = {						\
  		.next = NULL,					\

  		.pprev = NULL,					\

  	},							\
  	.pid = &init_struct_pid,				\
  }

  #ifdef CONFIG_AUDITSYSCALL
  #define INIT_IDS \

  	.loginuid = -1, \
  	.sessionid = -1,

  #else
  #define INIT_IDS
  #endif

  /*
   * Because of the reduced scope of CAP_SETPCAP when filesystem
   * capabilities are in effect, it is safe to allow CAP_SETPCAP to
   * be available in the default configuration.
   */
  # define CAP_INIT_BSET  CAP_FULL_SET

  #ifdef CONFIG_TREE_PREEMPT_RCU

  #define INIT_TASK_RCU_PREEMPT(tsk)					\
  	.rcu_read_lock_nesting = 0,					\
  	.rcu_read_unlock_special = 0,					\

  	.rcu_blocked_node = NULL,					\

  	.rcu_node_entry = LIST_HEAD_INIT(tsk.rcu_node_entry),
  #else
  #define INIT_TASK_RCU_PREEMPT(tsk)
  #endif

  extern struct cred init_cred;

  #ifdef CONFIG_PERF_EVENTS
  # define INIT_PERF_EVENTS(tsk)					\
  	.perf_event_mutex = 						\
  		 __MUTEX_INITIALIZER(tsk.perf_event_mutex),		\
  	.perf_event_list = LIST_HEAD_INIT(tsk.perf_event_list),

  #else

  # define INIT_PERF_EVENTS(tsk)

  #endif

  /*
   *  INIT_TASK is used to set up the first task table, touch at
   * your own risk!. Base=0, limit=0x1fffff (=2MB)
   */
  #define INIT_TASK(tsk)	\
  {									\
  	.state		= 0,						\

  	.stack		= &init_thread_info,				\

  	.usage		= ATOMIC_INIT(2),				\

  	.flags		= PF_KTHREAD,					\

  	.lock_depth	= -1,						\
  	.prio		= MAX_PRIO-20,					\
  	.static_prio	= MAX_PRIO-20,					\

  	.normal_prio	= MAX_PRIO-20,					\

  	.policy		= SCHED_NORMAL,					\
  	.cpus_allowed	= CPU_MASK_ALL,					\
  	.mm		= NULL,						\
  	.active_mm	= &init_mm,					\

  	.se		= {						\
  		.group_node 	= LIST_HEAD_INIT(tsk.se.group_node),	\
  	},								\

  	.rt		= {						\
  		.run_list	= LIST_HEAD_INIT(tsk.rt.run_list),	\

  		.time_slice	= HZ, 					\
  		.nr_cpus_allowed = NR_CPUS,				\
  	},								\

  	.tasks		= LIST_HEAD_INIT(tsk.tasks),			\

  	.pushable_tasks = PLIST_NODE_INIT(tsk.pushable_tasks, MAX_PRIO), \

  	.ptraced	= LIST_HEAD_INIT(tsk.ptraced),			\
  	.ptrace_entry	= LIST_HEAD_INIT(tsk.ptrace_entry),		\

  	.real_parent	= &tsk,						\
  	.parent		= &tsk,						\
  	.children	= LIST_HEAD_INIT(tsk.children),			\
  	.sibling	= LIST_HEAD_INIT(tsk.sibling),			\
  	.group_leader	= &tsk,						\

  	.real_cred	= &init_cred,					\

  	.cred		= &init_cred,					\

  	.cred_guard_mutex =						\
  		 __MUTEX_INITIALIZER(tsk.cred_guard_mutex),		\

  	.comm		= "swapper",					\
  	.thread		= INIT_THREAD,					\
  	.fs		= &init_fs,					\
  	.files		= &init_files,					\
  	.signal		= &init_signals,				\
  	.sighand	= &init_sighand,				\

  	.nsproxy	= &init_nsproxy,				\

  	.pending	= {						\
  		.list = LIST_HEAD_INIT(tsk.pending.list),		\
  		.signal = {{0}}},					\
  	.blocked	= {{0}},					\

  	.alloc_lock	= __SPIN_LOCK_UNLOCKED(tsk.alloc_lock),		\

  	.journal_info	= NULL,						\

  	.cpu_timers	= INIT_CPU_TIMERS(tsk.cpu_timers),		\

  	.fs_excl	= ATOMIC_INIT(0),				\

  	.pi_lock	= __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock),	\

  	.timer_slack_ns = 50000, /* 50 usec default slack */		\

  	.pids = {							\
  		[PIDTYPE_PID]  = INIT_PID_LINK(PIDTYPE_PID),		\
  		[PIDTYPE_PGID] = INIT_PID_LINK(PIDTYPE_PGID),		\
  		[PIDTYPE_SID]  = INIT_PID_LINK(PIDTYPE_SID),		\
  	},								\

  	.thread_group	= LIST_HEAD_INIT(tsk.thread_group),		\

  	.dirties = INIT_PROP_LOCAL_SINGLE(dirties),			\

  	INIT_IDS							\

  	INIT_PERF_EVENTS(tsk)						\

  	INIT_TRACE_IRQFLAGS						\

  	INIT_LOCKDEP							\

  	INIT_FTRACE_GRAPH						\

  	INIT_TRACE_RECURSION						\

  	INIT_TASK_RCU_PREEMPT(tsk)					\

  }
  
  
  #define INIT_CPU_TIMERS(cpu_timers)					\
  {									\
  	LIST_HEAD_INIT(cpu_timers[0]),					\
  	LIST_HEAD_INIT(cpu_timers[1]),					\
  	LIST_HEAD_INIT(cpu_timers[2]),					\
  }

  /* Attach to the init_task data structure for proper alignment */

  #define __init_task_data __attribute__((__section__(".data..init_task")))

  
  #endif