On Tue, Oct 03, 2017 at 12:49:39PM +0200, Michal Hocko wrote: > On Wed 27-09-17 14:09:33, 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 should be treated as a leaf cgroup, > > so only tasks which are directly belonging to the root cgroup > > should be iterated over. > > I would only add that this patch doesn't introduce any functionally > visible change because we never trigger oom killer with the root memcg > as the root of the hierarchy. So this is just a preparatory work for > later changes.
Sure, thanks! > > > Signed-off-by: Roman Gushchin <g...@fb.com> > > Cc: Michal Hocko <mho...@kernel.org> > > Cc: Vladimir Davydov <vdavydov....@gmail.com> > > Cc: Johannes Weiner <han...@cmpxchg.org> > > Cc: Tetsuo Handa <penguin-ker...@i-love.sakura.ne.jp> > > Cc: David Rientjes <rient...@google.com> > > Cc: Andrew Morton <a...@linux-foundation.org> > > Cc: Tejun Heo <t...@kernel.org> > > Cc: kernel-t...@fb.com > > Cc: cgro...@vger.kernel.org > > Cc: linux-...@vger.kernel.org > > Cc: linux-kernel@vger.kernel.org > > Cc: linux...@kvack.org > > Acked-by: Michal Hocko <mho...@suse.com>
