linux-kernel - [PATCH 5/6] sched: mark should_resched() __always

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Date:	Fri, 16 Aug 2013 14:17:23 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	linux-kernel@...r.kernel.org
Cc:	x86@...nel.org, peterz@...radead.org, akpm@...ux-foundation.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 5/6] sched: mark should_resched() __always_inline

From: Andi Kleen <ak@...ux.intel.com>

At least gcc 4.6 and some earlier ones does not inline this function.
Since it's small and on relatively hot paths force inline it.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 kernel/sched/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 74d7c04..23df96a 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3767,7 +3767,7 @@ SYSCALL_DEFINE0(sched_yield)
 	return 0;
 }
 
-static inline int should_resched(void)
+static __always_inline int should_resched(void)
 {
 	return need_resched() && !(preempt_count() & PREEMPT_ACTIVE);
 }
-- 
1.8.3.1

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