Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cda66725 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

sched/headers: Move the get_task_struct()/put_task_struct() and related APIs... 


sched/headers: Move the get_task_struct()/put_task_struct() and related APIs from <linux/sched.h> to <linux/sched/task.h>

These belong into the task lifetime API header.

Acked-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent dcc2dc45

include/linux/sched.h

+0 −14
Original line number Diff line number Diff line
@@ -1135,20 +1135,6 @@ static inline int is_global_init(struct task_struct *tsk) 


extern struct pid *cad_pid;



extern void free_task(struct task_struct *tsk);

#define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0)



extern void __put_task_struct(struct task_struct *t);



static inline void put_task_struct(struct task_struct *t)

{

	if (atomic_dec_and_test(&t->usage))

		__put_task_struct(t);

}



struct task_struct *task_rcu_dereference(struct task_struct **ptask);

struct task_struct *try_get_task_struct(struct task_struct **ptask);



/*

 * Per process flags

 */

include/linux/sched/task.h

+15 −0
Original line number Diff line number Diff line
@@ -75,6 +75,21 @@ extern long do_fork(unsigned long, unsigned long, unsigned long, int __user *, i 
struct task_struct *fork_idle(int);

extern pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);



extern void free_task(struct task_struct *tsk);



#define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0)



extern void __put_task_struct(struct task_struct *t);



static inline void put_task_struct(struct task_struct *t)

{

	if (atomic_dec_and_test(&t->usage))

		__put_task_struct(t);

}



struct task_struct *task_rcu_dereference(struct task_struct **ptask);

struct task_struct *try_get_task_struct(struct task_struct **ptask);





#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT

extern int arch_task_struct_size __read_mostly;