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@xxxxxx> > Acked-by: Michal Hocko <mhocko@xxxxxxxx> > 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: Johannes Weiner <hannes@xxxxxxxxxxx> -- 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
