15 struct task_struct;
59 extern struct task_struct init_task;
63 extern asmlinkage void schedule_tail(struct task_struct *prev);
64 extern void init_idle(struct task_struct *idle, int cpu);
66 extern int sched_fork(unsigned long clone_flags, struct task_struct *p);
67 extern int sched_cgroup_fork(struct task_struct *p, struct kernel_clone_args *kargs);
68 extern void sched_cancel_fork(struct task_struct *p);
69 extern void sched_post_fork(struct task_struct *p);
70 extern void sched_dead(struct task_struct *p);
80 extern void release_task(struct task_struct * p);
82 extern int copy_thread(struct task_struct *, const struct kernel_clone_args *);
87 extern void exit_thread(struct task_struct *tsk);
89 static inline void exit_thread(struct task_struct *tsk)  in exit_thread()
95 extern void exit_files(struct task_struct *);
96 extern void exit_itimers(struct task_struct *);
99 struct task_struct *copy_process(struct pid *pid, int trace, int node,
101 struct task_struct *create_io_thread(int (*fn)(void *), void *arg, int node);
102 struct task_struct *fork_idle(int);
109 extern void free_task(struct task_struct *tsk);
118 static inline struct task_struct *get_task_struct(struct task_struct *t)  in get_task_struct()
124 static inline struct task_struct *tryget_task_struct(struct task_struct *t)  in tryget_task_struct()
129 extern void __put_task_struct(struct task_struct *t);
132 static inline void put_task_struct(struct task_struct *t)  in put_task_struct()
173 DEFINE_FREE(put_task, struct task_struct *, if (_T) put_task_struct(_T))  in DEFINE_FREE()  argument
175 static inline void put_task_struct_many(struct task_struct *t, int nr)  in DEFINE_FREE()
181 void put_task_struct_rcu_user(struct task_struct *task);
184 void release_thread(struct task_struct *dead_task);
189 # define arch_task_struct_size (sizeof(struct task_struct))
202 	*size = arch_task_struct_size - offsetof(struct task_struct, thread);  in arch_thread_struct_whitelist()
207 static inline struct vm_struct *task_stack_vm_area(const struct task_struct *t)  in task_stack_vm_area()
212 static inline struct vm_struct *task_stack_vm_area(const struct task_struct *t)  in task_stack_vm_area()
228 static inline void task_lock(struct task_struct *p)  in task_lock()
233 static inline void task_unlock(struct task_struct *p)  in task_unlock()
238 DEFINE_GUARD(task_lock, struct task_struct *, task_lock(_T), task_unlock(_T))