diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 2aeb7ae8b39348e65bd52ca455fd848e398a8e8d..8269bfa240f46108f397f5569c18ba96b56a04ce 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1268,6 +1268,9 @@ PAGE_SIZE multiple when read back.
 		The number of processes belonging to this cgroup
 		killed by any kind of OOM killer.
 
+          oom_group_kill
+                The number of times a group OOM has occurred.
+
   memory.events.local
 	Similar to memory.events but the fields in the file are local
 	to the cgroup i.e. not hierarchical. The file modified event
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 0c5c403f4be6ba111600fad90cda0862b2a216da..951f24f4214778f0d1e8527cb5f071c8d236aec9 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -42,6 +42,7 @@ enum memcg_memory_event {
 	MEMCG_MAX,
 	MEMCG_OOM,
 	MEMCG_OOM_KILL,
+	MEMCG_OOM_GROUP_KILL,
 	MEMCG_SWAP_HIGH,
 	MEMCG_SWAP_MAX,
 	MEMCG_SWAP_FAIL,
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index bfe9bdec192b6de000c086baf961aae29da49a00..2d39d58baccfde48a9bb7549b6681a02d5ba6104 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6318,6 +6318,8 @@ static void __memory_events_show(struct seq_file *m, atomic_long_t *events)
 	seq_printf(m, "oom %lu\n", atomic_long_read(&events[MEMCG_OOM]));
 	seq_printf(m, "oom_kill %lu\n",
 		   atomic_long_read(&events[MEMCG_OOM_KILL]));
+	seq_printf(m, "oom_group_kill %lu\n",
+		   atomic_long_read(&events[MEMCG_OOM_GROUP_KILL]));
 }
 
 static int memory_events_show(struct seq_file *m, void *v)
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 1ddabefcfb5aba566205264d127702976e622ec6..e52ce0b1465d6a426889dffbf6c93999e7812b37 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -994,6 +994,7 @@ static void oom_kill_process(struct oom_control *oc, const char *message)
 	 * If necessary, kill all tasks in the selected memory cgroup.
 	 */
 	if (oom_group) {
+		memcg_memory_event(oom_group, MEMCG_OOM_GROUP_KILL);
 		mem_cgroup_print_oom_group(oom_group);
 		mem_cgroup_scan_tasks(oom_group, oom_kill_memcg_member,
 				      (void *)message);