249 	return &container_of(vmpr, struct mem_cgroup, vmpressure)->css;  in vmpressure_to_css()
329 	css_get(&parent->css);  in memcg_reparent_objcgs()
334 		css_get(&parent->css);  in memcg_reparent_objcgs()
336 		css_put(&memcg->css);  in memcg_reparent_objcgs()
541 	return &memcg->css;  in mem_cgroup_css_from_page()
574 	while (memcg && !(memcg->css.flags & CSS_ONLINE))  in page_cgroup_ino()
577 		ino = cgroup_ino(memcg->css.cgroup);  in page_cgroup_ino()
749 	    !css_tryget(&mz->memcg->css))  in __mem_cgroup_largest_soft_limit_node()
1043 	} while (!css_tryget(&memcg->css));  in get_mem_cgroup_from_mm()
1065 	if (!memcg || WARN_ON_ONCE(!css_tryget(&memcg->css)))  in get_mem_cgroup_from_page()
1088 		if (WARN_ON_ONCE(!css_tryget(&memcg->css)))  in get_active_memcg()
1147 	struct cgroup_subsys_state *css = NULL;  in mem_cgroup_iter()  local
1179 			if (!pos || css_tryget(&pos->css))  in mem_cgroup_iter()
1194 		css = &pos->css;  in mem_cgroup_iter()
1197 		css = css_next_descendant_pre(css, &root->css);  in mem_cgroup_iter()
1198 		if (!css) {  in mem_cgroup_iter()
1215 		memcg = mem_cgroup_from_css(css);  in mem_cgroup_iter()
1217 		if (css == &root->css)  in mem_cgroup_iter()
1220 		if (css_tryget(css))  in mem_cgroup_iter()
1235 			css_put(&pos->css);  in mem_cgroup_iter()
1247 		css_put(&prev->css);  in mem_cgroup_iter()
1263 		css_put(&prev->css);  in mem_cgroup_iter_break()
1326 		css_task_iter_start(&iter->css, CSS_TASK_ITER_PROCS, &it);  in mem_cgroup_scan_tasks()
1642 		pr_cont_cgroup_path(memcg->css.cgroup);  in mem_cgroup_print_oom_context()
1678 	pr_cont_cgroup_path(memcg->css.cgroup);  in mem_cgroup_print_oom_meminfo()
1955 		css_get(&memcg->css);  in mem_cgroup_oom()
2048 	css_put(&memcg->css);  in mem_cgroup_oom_synchronize()
2102 		css_get(&oom_group->css);  in mem_cgroup_get_oom_group()
2112 	pr_cont_cgroup_path(memcg->css.cgroup);  in mem_cgroup_print_oom_group()
2288 	css_put(&old->css);  in drain_stock()
2325 		css_get(&memcg->css);  in refill_stock()
2678 	css_put(&memcg->css);  in mem_cgroup_handle_over_high()
3111 		css_put(&memcg->css);  in __memcg_kmem_charge_page()
3132 	css_put(&memcg->css);  in __memcg_kmem_uncharge_page()
3250 	css_get(&memcg->css);  in obj_cgroup_charge()
3263 	css_put(&memcg->css);  in obj_cgroup_charge()
3289 		css_get(&memcg->css);  in mem_cgroup_split_huge_fixup()
3455 		css_put(&mz->memcg->css);  in mem_cgroup_soft_limit_reclaim()
3468 		css_put(&next_mz->memcg->css);  in mem_cgroup_soft_limit_reclaim()
3483 	ret = css_next_child(NULL, &memcg->css);  in memcg_has_children()
3533 static u64 mem_cgroup_hierarchy_read(struct cgroup_subsys_state *css,  in mem_cgroup_hierarchy_read()  argument
3536 	return mem_cgroup_from_css(css)->use_hierarchy;  in mem_cgroup_hierarchy_read()
3539 static int mem_cgroup_hierarchy_write(struct cgroup_subsys_state *css,  in mem_cgroup_hierarchy_write()  argument
3543 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_hierarchy_write()
3544 	struct mem_cgroup *parent_memcg = mem_cgroup_from_css(memcg->css.parent);  in mem_cgroup_hierarchy_write()
3595 static u64 mem_cgroup_read_u64(struct cgroup_subsys_state *css,  in mem_cgroup_read_u64()  argument
3598 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_read_u64()
3729 	struct cgroup_subsys_state *css;  in memcg_offline_kmem()  local
3756 	css_for_each_descendant_pre(css, &memcg->css) {  in memcg_offline_kmem()
3757 		child = mem_cgroup_from_css(css);  in memcg_offline_kmem()
3920 static u64 mem_cgroup_move_charge_read(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_read()  argument
3923 	return mem_cgroup_from_css(css)->move_charge_at_immigrate;  in mem_cgroup_move_charge_read()
3927 static int mem_cgroup_move_charge_write(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_write()  argument
3930 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_move_charge_write()
3945 static int mem_cgroup_move_charge_write(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_write()  argument
4162 static u64 mem_cgroup_swappiness_read(struct cgroup_subsys_state *css,  in mem_cgroup_swappiness_read()  argument
4165 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_swappiness_read()
4170 static int mem_cgroup_swappiness_write(struct cgroup_subsys_state *css,  in mem_cgroup_swappiness_write()  argument
4173 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_swappiness_write()
4178 	if (css->parent)  in mem_cgroup_swappiness_write()
4522 static int mem_cgroup_oom_control_write(struct cgroup_subsys_state *css,  in mem_cgroup_oom_control_write()  argument
4525 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_oom_control_write()
4528 	if (!css->parent || !((val == 0) || (val == 1)))  in mem_cgroup_oom_control_write()
4561 	if (!memcg->css.parent)  in mem_cgroup_wb_domain()
4799 	css_put(&memcg->css);  in memcg_event_remove()
4861 	struct cgroup_subsys_state *css = of_css(of);  in memcg_write_event_control()  local
4862 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in memcg_write_event_control()
4955 	if (cfile_css != css) {  in memcg_write_event_control()
4976 	css_put(css);  in memcg_write_event_control()
5164 		css_put(&memcg->css);  in mem_cgroup_id_put_many()
5381 		return &memcg->css;  in mem_cgroup_css_alloc()
5391 	return &memcg->css;  in mem_cgroup_css_alloc()
5398 static int mem_cgroup_css_online(struct cgroup_subsys_state *css)  in mem_cgroup_css_online()  argument
5400 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_online()
5414 	css_get(css);  in mem_cgroup_css_online()
5418 static void mem_cgroup_css_offline(struct cgroup_subsys_state *css)  in mem_cgroup_css_offline()  argument
5420 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_offline()
5446 static void mem_cgroup_css_released(struct cgroup_subsys_state *css)  in mem_cgroup_css_released()  argument
5448 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_released()
5453 static void mem_cgroup_css_free(struct cgroup_subsys_state *css)  in mem_cgroup_css_free()  argument
5455 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_free()
5489 static void mem_cgroup_css_reset(struct cgroup_subsys_state *css)  in mem_cgroup_css_reset()  argument
5491 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_reset()
5723 	css_get(&to->css);  in mem_cgroup_move_account()
5724 	css_put(&from->css);  in mem_cgroup_move_account()
5975 	struct cgroup_subsys_state *css;  in mem_cgroup_can_attach()  local
5994 	cgroup_taskset_for_each_leader(leader, css, tset) {  in mem_cgroup_can_attach()
5997 		memcg = mem_cgroup_from_css(css);  in mem_cgroup_can_attach()
6248 static u64 memory_current_read(struct cgroup_subsys_state *css,  in memory_current_read()  argument
6251 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in memory_current_read()
6793 		if (memcg && !css_tryget_online(&memcg->css))  in mem_cgroup_charge()
6805 	css_get(&memcg->css);  in mem_cgroup_charge()
6824 	css_put(&memcg->css);  in mem_cgroup_charge()
6862 	css_put(&ug->memcg->css);  in uncharge_batch()
6888 		css_get(&ug->memcg->css);  in uncharge_page()
6903 	css_put(&ug->memcg->css);  in uncharge_page()
7010 	css_get(&memcg->css);  in mem_cgroup_migrate()
7039 	if (css_tryget(&memcg->css))  in mem_cgroup_sk_alloc()
7048 		css_put(&sk->sk_memcg->css);  in mem_cgroup_sk_free()
7236 	css_put(&memcg->css);  in mem_cgroup_swapout()
7364 static u64 swap_current_read(struct cgroup_subsys_state *css,  in swap_current_read()  argument
7367 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in swap_current_read()