linux-kernel - [PATCH 4/6] sched/fair: Add __always_inline compiler attribute to __accumulate

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Date:	Thu, 28 Apr 2016 10:56:11 +0800
From:	Yuyang Du <yuyang.du@...el.com>
To:	peterz@...radead.org, mingo@...nel.org,
	linux-kernel@...r.kernel.org
Cc:	bsegall@...gle.com, pjt@...gle.com, morten.rasmussen@....com,
	vincent.guittot@...aro.org, dietmar.eggemann@....com,
	juri.lelli@....com, Yuyang Du <yuyang.du@...el.com>
Subject: [PATCH 4/6] sched/fair: Add __always_inline compiler attribute to __accumulate_sum()

Everybody has it. If code-size is not the problem, __accumulate_sum()
should have it too.

Signed-off-by: Yuyang Du <yuyang.du@...el.com>
---
 kernel/sched/fair.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index abfe17a..486f098 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2649,7 +2649,7 @@ static __always_inline u64 __decay_sum(u64 val, u32 n)
  * We can compute this efficiently by combining:
  * y^32 = 1/2 with precomputed \Sum 1024*y^n   (where n < 32)
  */
-static u32 __accumulate_sum(u32 n)
+static __always_inline u32 __accumulate_sum(u32 n)
 {
 	u32 contrib = 0;
 
-- 
1.7.9.5