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Subject[tip:sched/core] sched/headers: Constify object_is_on_stack()
Commit-ID:  00ef0ef2cccb0350eae368e565c98453a9305b05
Gitweb: https://git.kernel.org/tip/00ef0ef2cccb0350eae368e565c98453a9305b05
Author: Sascha Hauer <s.hauer@pengutronix.de>
AuthorDate: Tue, 5 Dec 2017 11:44:15 +0100
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 6 Dec 2017 20:50:02 +0100

sched/headers: Constify object_is_on_stack()

object_is_on_stack() doesn't modify its argument and should never do it.
Make it const.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kernel@pengutronix.de
Link: http://lkml.kernel.org/r/20171205104415.17147-1-s.hauer@pengutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
include/linux/sched/task_stack.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h
index cb4828a..6a84192 100644
--- a/include/linux/sched/task_stack.h
+++ b/include/linux/sched/task_stack.h
@@ -78,7 +78,7 @@ static inline void put_task_stack(struct task_struct *tsk) {}
#define task_stack_end_corrupted(task) \
(*(end_of_stack(task)) != STACK_END_MAGIC)

-static inline int object_is_on_stack(void *obj)
+static inline int object_is_on_stack(const void *obj)
{
void *stack = task_stack_page(current);

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