Re: [PATCH 2/2] net/neighbour: queue work on power efficient wq

From: David Miller
Date: Thu Jan 23 2014 - 00:58:22 EST

From: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Date: Wed, 22 Jan 2014 12:23:33 +0530

> Workqueue used in neighbour layer have no real dependency of scheduling these on
> the cpu which scheduled them.
> On a idle system, it is observed that an idle cpu wakes up many times just to
> service this work. It would be better if we can schedule it on a cpu which the
> scheduler believes to be the most appropriate one.
> This patch replaces normal workqueues with power efficient versions. This
> doesn't change existing behavior of code unless CONFIG_WQ_POWER_EFFICIENT is
> enabled.
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

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