__mem_cgroup_usage_register_event 4203 mm/memcontrol.c 	return __mem_cgroup_usage_register_event(memcg, eventfd, args, _MEM);
__mem_cgroup_usage_register_event 4209 mm/memcontrol.c 	return __mem_cgroup_usage_register_event(memcg, eventfd, args, _MEMSWAP);