lookup_swap_cgroup_id   13 include/linux/swap_cgroup.h extern unsigned short lookup_swap_cgroup_id(swp_entry_t ent);
lookup_swap_cgroup_id 5631 mm/memcontrol.c 	    mem_cgroup_id(mc.from) == lookup_swap_cgroup_id(ent)) {
lookup_swap_cgroup_id 6538 mm/memcontrol.c 			unsigned short id = lookup_swap_cgroup_id(ent);