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-rw-r--r--include/linux/memcontrol.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index d275c72c4f8e..977edd3b7bd8 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -783,6 +783,8 @@ static inline void memcg_memory_event(struct mem_cgroup *memcg,
atomic_long_inc(&memcg->memory_events[event]);
cgroup_file_notify(&memcg->events_file);
+ if (!cgroup_subsys_on_dfl(memory_cgrp_subsys))
+ break;
if (cgrp_dfl_root.flags & CGRP_ROOT_MEMORY_LOCAL_EVENTS)
break;
} while ((memcg = parent_mem_cgroup(memcg)) &&