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 <guro@xxxxxx> > > Cc: Michal Hocko <mhocko@xxxxxxxxxx> > > Cc: Vladimir Davydov <vdavydov.dev@xxxxxxxxx> > > Cc: Johannes Weiner <hannes@xxxxxxxxxxx> > > Cc: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> > > Cc: David Rientjes <rientjes@xxxxxxxxxx> > > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > > Cc: Tejun Heo <tj@xxxxxxxxxx> > > Cc: kernel-team@xxxxxx > > Cc: cgroups@xxxxxxxxxxxxxxx > > Cc: linux-doc@xxxxxxxxxxxxxxx > > Cc: linux-kernel@xxxxxxxxxxxxxxx > > Cc: linux-mm@xxxxxxxxx > > Acked-by: Michal Hocko <mhocko@xxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html