[PATCH 52/53] sched/headers: Move the get_task_struct()/put_task_struct() and related APIs from <linux/sched.h> to <linux/sched/task.h>

[Ingo Molnar]

These belong into the task lifetime API header.

Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 include/linux/sched.h      | 14 --------------
 include/linux/sched/task.h | 15 +++++++++++++++
 2 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 531732bf7b13..fded01c60cf3 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1131,20 +1131,6 @@ 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
  */
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h
index a33a8121da9a..3886ae64148f 100644
--- a/include/linux/sched/task.h
+++ b/include/linux/sched/task.h
@@ -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;
-- 
2.7.4