From: Yong Zhang <yong.zhang0@gmail.com>
Date: Mon, 9 May 2011 14:07:05 +0000 (+0800)
Subject: sched: Avoid going ahead if ->cpus_allowed is not changed
X-Git-Tag: v3.0-rc1~403^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=db44fc017d5989302713ab4e7f9e922b648f4b59;p=pandora-kernel.git

sched: Avoid going ahead if ->cpus_allowed is not changed

If cpumask_equal(&p->cpus_allowed, new_mask) is true, seems
there is no reason to prevent set_cpus_allowed_ptr() return
directly.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Hillf Danton <dhillf@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110509140705.GA2219@zhy
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

Reading git-diff-tree failed