linux-kernel - [PATCH] sched/headers: make object_is_on

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Date:   Tue,  5 Dec 2017 11:44:15 +0100
From:   Sascha Hauer <s.hauer@...gutronix.de>
To:     linux-kernel@...r.kernel.org
Cc:     kernel@...gutronix.de, Sascha Hauer <s.hauer@...gutronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Subject: [PATCH] sched/headers: make object_is_on_stack() argument const

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

Signed-off-by: Sascha Hauer <s.hauer@...gutronix.de>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
---
 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 cb4828aaa34f..6a841929073f 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);
 
-- 
2.11.0