MEMCG_NR_MEMORY_EVENTS  300 include/linux/memcontrol.h 	atomic_long_t		memory_events[MEMCG_NR_MEMORY_EVENTS];
MEMCG_NR_MEMORY_EVENTS  301 include/linux/memcontrol.h 	atomic_long_t		memory_events_local[MEMCG_NR_MEMORY_EVENTS];