[PATCH 47/53] sched/headers: Move kstack_end() from <linux/sched.h> to <linux/sched/task_stack.h>

[Ingo Molnar]

This is a task-stack related API, not core scheduler functionality.

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            | 10 ----------
 include/linux/sched/task_stack.h | 10 ++++++++++
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 2fb6677f861d..0b45211cd8ed 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1356,16 +1356,6 @@ static inline struct thread_info *task_thread_info(struct task_struct *task)
 # define task_thread_info(task)	((struct thread_info *)(task)->stack)
 #endif
 
-#ifndef __HAVE_ARCH_KSTACK_END
-static inline int kstack_end(void *addr)
-{
-	/* Reliable end of stack detection:
-	 * Some APM bios versions misalign the stack
-	 */
-	return !(((unsigned long)addr+sizeof(void*)-1) & (THREAD_SIZE-sizeof(void*)));
-}
-#endif
-
 extern struct pid_namespace init_pid_ns;
 
 /*
diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h
index aaa5c2a6a0e9..df6ea6665b31 100644
--- a/include/linux/sched/task_stack.h
+++ b/include/linux/sched/task_stack.h
@@ -108,4 +108,14 @@ static inline unsigned long stack_not_used(struct task_struct *p)
 #endif
 extern void set_task_stack_end_magic(struct task_struct *tsk);
 
+#ifndef __HAVE_ARCH_KSTACK_END
+static inline int kstack_end(void *addr)
+{
+	/* Reliable end of stack detection:
+	 * Some APM bios versions misalign the stack
+	 */
+	return !(((unsigned long)addr+sizeof(void*)-1) & (THREAD_SIZE-sizeof(void*)));
+}
+#endif
+
 #endif /* _LINUX_SCHED_TASK_STACK_H */
-- 
2.7.4