mem_cgroup_from_id  465 include/linux/memcontrol.h struct mem_cgroup *mem_cgroup_from_id(unsigned short id);
mem_cgroup_from_id 6541 mm/memcontrol.c 			memcg = mem_cgroup_from_id(id);
mem_cgroup_from_id 7156 mm/memcontrol.c 	memcg = mem_cgroup_from_id(id);
mem_cgroup_from_id  280 mm/workingset.c 	memcg = mem_cgroup_from_id(memcgid);