From: Vincent Guittot <vincent.guittot@linaro.org>
Date: Thu, 13 Sep 2012 04:11:26 +0000 (+0200)
Subject: sched: Fix nohz_idle_balance()
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~95^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5ed4f1d96deee82ee92cd1ac1e0108c27e80e9b0;p=pandora-kernel.git

sched: Fix nohz_idle_balance()

On tickless systems, one CPU runs load balance for all idle CPUs.

The cpu_load of this CPU is updated before starting the load balance
of each other idle CPUs. We should instead update the cpu_load of
the balance_cpu.

Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Venkatesh Pallipadi <venki@google.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1347509486-8688-1-git-send-email-vincent.guittot@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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