From 9c34a7042e6fe79b900bd44db03dde8a4ecdf6f6 Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Fri, 11 Jul 2014 00:11:13 +0800
Subject: [PATCH] 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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