Messages in this thread | | | Date | Thu, 18 Oct 2012 14:58:07 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH 2/6] memcg: root_cgroup cannot reach mem_cgroup_move_parent |
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On Wed, Oct 17, 2012 at 03:30:44PM +0200, Michal Hocko wrote: > The root cgroup cannot be destroyed so we never hit it idown the > mem_cgroup_pre_destroy path and mem_cgroup_force_empty_write shouldn't > even try to do anything if called for the root. > > This means that mem_cgroup_move_parent doesn't have to bother with the > root cgroup and it can assume it can always move charges upwards. > > Signed-off-by: Michal Hocko <mhocko@suse.cz>
Reviewed-by: Tejun Heo <tj@kernel.org>
Thanks.
-- tejun
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