linux-kernel - [PATCH] sched/fair: Set se->vruntime directly in place

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Message-Id: <ae59db1945518d6f6250920d46eb1f1a9cc0024e.1352361704.git.viresh.kumar@linaro.org>
Date:	Thu,  8 Nov 2012 13:33:46 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	mingo@...hat.com, peterz@...radead.org
Cc:	linaro-dev@...ts.linaro.org, patches@...aro.org,
	linux-kernel@...r.kernel.org,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH] sched/fair: Set se->vruntime directly in place_entity()

We are first storing the new vruntime in a variable and then storing it in
se->vruntime. Simply update se->vruntime directly.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 kernel/sched/fair.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index a319d56c..820a2f1 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1454,9 +1454,7 @@ place_entity(struct cfs_rq *cfs_rq, struct sched_entity *se, int initial)
 	}
 
 	/* ensure we never gain time by being placed backwards. */
-	vruntime = max_vruntime(se->vruntime, vruntime);
-
-	se->vruntime = vruntime;
+	se->vruntime = max_vruntime(se->vruntime, vruntime);
 }
 
 static void check_enqueue_throttle(struct cfs_rq *cfs_rq);
-- 
1.7.12.rc2.18.g61b472e


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