MEMCG_OOM_KILL   4355 mm/memcontrol.c 		   atomic_long_read(&memcg->memory_events[MEMCG_OOM_KILL]));
MEMCG_OOM_KILL   6219 mm/memcontrol.c 		   atomic_long_read(&events[MEMCG_OOM_KILL]));
MEMCG_OOM_KILL    878 mm/oom_kill.c  	memcg_memory_event_mm(mm, MEMCG_OOM_KILL);