From: Yao Dongdong <yaodongdong@huawei.com>
Date: Tue, 28 Oct 2014 04:08:06 +0000 (+0000)
Subject: sched: Check if we got a shallowest_idle_cpu before searching for least_loaded_cpu
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~162^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f96742a13135e6c609cc99a3a458402af3c8f31;p=pandora-kernel.git

sched: Check if we got a shallowest_idle_cpu before searching for least_loaded_cpu

Idle cpu is idler than non-idle cpu, so we needn't search for least_loaded_cpu
after we have found an idle cpu.

Signed-off-by: Yao Dongdong <yaodongdong@huawei.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1414469286-6023-1-git-send-email-yaodongdong@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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