From: Tejun Heo <tj@kernel.org>
Date: Mon, 1 Apr 2013 18:23:35 +0000 (-0700)
Subject: workqueue: introduce numa_pwq_tbl_install()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~125^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1befcf3073fa083e7dc48c384ce06f3bd900f514;p=pandora-kernel.git

workqueue: introduce numa_pwq_tbl_install()

Factor out pool_workqueue linking and installation into numa_pwq_tbl[]
from apply_workqueue_attrs() into numa_pwq_tbl_install().  link_pwq()
is made safe to call multiple times.  numa_pwq_tbl_install() links the
pwq, installs it into numa_pwq_tbl[] at the specified node and returns
the old entry.

@last_pwq is removed from link_pwq() as the return value of the new
function can be used instead.

This is to prepare for NUMA affinity support for unbound workqueues.

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