__mem_cgroup_usage_unregister_event 4300 mm/memcontrol.c 	return __mem_cgroup_usage_unregister_event(memcg, eventfd, _MEM);
__mem_cgroup_usage_unregister_event 4306 mm/memcontrol.c 	return __mem_cgroup_usage_unregister_event(memcg, eventfd, _MEMSWAP);