2 files changed, 5 insertions, 1 deletions

diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index b2a5b1cd4e55..72d0853beb31 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -582,8 +582,11 @@ static inline void count_memcg_event_mm(struct mm_struct *mm,
 
         rcu_read_lock();
         memcg = mem_cgroup_from_task(rcu_dereference(mm->owner));
-        if (likely(memcg))
+        if (likely(memcg)) {
                 this_cpu_inc(memcg->stat->events[idx]);
+                if (idx == OOM_KILL)
+                        cgroup_file_notify(&memcg->events_file);
+        }
         rcu_read_unlock();
 }
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index be3ab2d13adf..37e8d31a4632 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -41,6 +41,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                 KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
                 PAGEOUTRUN, PGROTATED,
                 DROP_PAGECACHE, DROP_SLAB,
+                OOM_KILL,
 #ifdef CONFIG_NUMA_BALANCING
                 NUMA_PTE_UPDATES,
                 NUMA_HUGE_PTE_UPDATES,