tree a6ab362f3047e8ac28516b4ecb2d5c9b518c1966
parent 7c90cc2d40cab15adc78545edba8b5996bd4cade
author viresh kumar <viresh.kumar@linaro.org> 1390373612 +0530
committer David S. Miller <davem@davemloft.net> 1390456625 -0800

net/ipv4: queue work on power efficient wq

Workqueue used in ipv4 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@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>