On Fri, Jun 08, 2018 at 06:06:07PM +0100, Roman Gushchin wrote: > Shakeel reported a crash in mem_cgroup_protected(), which > can be triggered by memcg reclaim if the legacy cgroup v1 > use_hierarchy=0 mode is used: ... > Reported-by: Shakeel Butt <shakeelb@xxxxxxxxxx> > Signed-off-by: Roman Gushchin <guro@xxxxxx> > Cc: Johannes Weiner <hannes@xxxxxxxxxxx> > Cc: Michal Hocko <mhocko@xxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>