From: Tejun Heo <tj@kernel.org>
Date: Fri, 9 Aug 2013 00:11:26 +0000 (-0400)
Subject: cgroup: make cgroup_task_iter remember the cgroup being iterated
X-Git-Tag: v3.12-rc1~173^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c59cd3d840b1b0a8f996cbbd9132128dcaabbeb9;p=pandora-kernel.git

cgroup: make cgroup_task_iter remember the cgroup being iterated

Currently all cgroup_task_iter functions require @cgrp to be passed
in, which is superflous and increases chance of usage error.  Make
cgroup_task_iter remember the cgroup being iterated and drop @cgrp
argument from next and end functions.

This patch doesn't introduce any behavior differences.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Matt Helsley <matthltc@us.ibm.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Balbir Singh <bsingharora@gmail.com>
---

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