From fc560a26accea9567b7f8f41eefa01e1bb127d74 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Mon, 7 Jan 2013 08:51:08 -0800
Subject: [PATCH] cpuset: replace cpuset->stack_list with
 cpuset_for_each_descendant_pre()

Implement cpuset_for_each_descendant_pre() and replace the
cpuset-specific tree walking using cpuset->stack_list with it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Li Zefan <lizefan@huawei.com>
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