From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Wed, 16 Jul 2014 06:56:36 +0000 (+0800)
Subject: workqueue: wake regular worker if need_more_worker() when rescuer leave the pool
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~192^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8ca83e68c8c7efd8e5920a046d5c576b08609f0;p=pandora-kernel.git

workqueue: wake regular worker if need_more_worker() when rescuer leave the pool

We don't need to wake up regular worker when nr_running==1,
so need_more_worker() is sufficient here.

And need_more_worker() gives us better readability due to the name of
"keep_working()" implies the rescuer should keep working now but
the rescuer is actually leaving.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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