linux-kernel - [PATCH] sched: remove redundant check in select_task_rq

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Message-ID: <20110607094821.29969.50197.stgit@IBM-009124035060.in.ibm.com>
Date:	Tue, 07 Jun 2011 15:18:47 +0530
From:	"Nikunj A. Dadhania" <nikunj@...ux.vnet.ibm.com>
To:	peterz@...radead.org, mingo@...e.hu
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] sched: remove redundant check in select_task_rq_fair

When balancing for wakeup affinity, a redundant check can removed.

Signed-off-by: Nikunj A. Dadhania <nikunj@...ux.vnet.ibm.com>
---
 kernel/sched_fair.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 433491c..b9e5701 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -1753,7 +1753,7 @@ select_task_rq_fair(struct task_struct *p, int sd_flag, int wake_flags)
 	}

 	if (affine_sd) {
-		if (cpu == prev_cpu || wake_affine(affine_sd, p, sync))
+		if (wake_affine(affine_sd, p, sync))
 			prev_cpu = cpu;

 		new_cpu = select_idle_sibling(p, prev_cpu);

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