tree e06bc433865262b4943d3e06e8f3530d34c509bc
parent bd53d617b34c781dac8e22dbc75e8f182d918ecf
author Tejun Heo <tj@kernel.org> 1398265996 -0400
committer Tejun Heo <tj@kernel.org> 1398265996 -0400

cgroup: add css_set->dfl_cgrp

To implement the unified hierarchy behavior, we'll need to be able to
determine the associated cgroup on the default hierarchy from css_set.
Let's add css_set->dfl_cgrp so that it can be accessed conveniently
and efficiently.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>