Messages in this thread | | | Date | Wed, 4 Oct 2017 15:15:52 -0400 | From | Johannes Weiner <> | Subject | Re: [v10 2/6] mm: implement mem_cgroup_scan_tasks() for the root memory cgroup |
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On Wed, Oct 04, 2017 at 04:46:34PM +0100, Roman Gushchin wrote: > Implement mem_cgroup_scan_tasks() functionality for the root > memory cgroup to use this function for looking for a OOM victim > task in the root memory cgroup by the cgroup-ware OOM killer. > > The root memory cgroup is treated as a leaf cgroup, so only tasks > which are directly belonging to the root cgroup are iterated over. > > This patch doesn't introduce any functional change as > mem_cgroup_scan_tasks() is never called for the root memcg. > This is preparatory work for the cgroup-aware OOM killer, > which will use this function to iterate over tasks belonging > to the root memcg. > > Signed-off-by: Roman Gushchin <guro@fb.com> > Acked-by: Michal Hocko <mhocko@suse.com> > Cc: Vladimir Davydov <vdavydov.dev@gmail.com> > Cc: Johannes Weiner <hannes@cmpxchg.org> > Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> > Cc: David Rientjes <rientjes@google.com> > Cc: Andrew Morton <akpm@linux-foundation.org> > Cc: Tejun Heo <tj@kernel.org> > Cc: kernel-team@fb.com > Cc: cgroups@vger.kernel.org > Cc: linux-doc@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Cc: linux-mm@kvack.org
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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