From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Thu, 10 Jul 2014 16:11:13 +0000 (+0800)
Subject: workqueue: reuse the already calculated pwq in try_to_grab_pending()
X-Git-Tag: cleanup-for-v3.18~151^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c34a7042e6fe79b900bd44db03dde8a4ecdf6f6;p=pandora-kernel.git

workqueue: reuse the already calculated pwq in try_to_grab_pending()

try_to_grab_pending() was re-calculating the associated pwq using
get_work_pwq() when it already has it cached in a local varible and
the association can't change.  Reuse the local variable instead.

This doesn't introduce any functional changes.

tj: Updated description.

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