261 	return &container_of(vmpr, struct mem_cgroup, vmpressure)->css;  in vmpressure_to_css()
468 	return &memcg->css;  in mem_cgroup_css_from_page()
491 	while (memcg && !(memcg->css.flags & CSS_ONLINE))  in page_cgroup_ino()
494 		ino = cgroup_ino(memcg->css.cgroup);  in page_cgroup_ino()
666 	    !css_tryget_online(&mz->memcg->css))  in __mem_cgroup_largest_soft_limit_node()
848 	} while (!css_tryget_online(&memcg->css));  in get_mem_cgroup_from_mm()
869 	if (!memcg || !css_tryget_online(&memcg->css))  in get_mem_cgroup_from_page()
885 		if (css_tryget_online(&current->active_memcg->css))  in get_mem_cgroup_from_current()
915 	struct cgroup_subsys_state *css = NULL;  in mem_cgroup_iter()  local
947 			if (!pos || css_tryget(&pos->css))  in mem_cgroup_iter()
962 		css = &pos->css;  in mem_cgroup_iter()
965 		css = css_next_descendant_pre(css, &root->css);  in mem_cgroup_iter()
966 		if (!css) {  in mem_cgroup_iter()
983 		memcg = mem_cgroup_from_css(css);  in mem_cgroup_iter()
985 		if (css == &root->css)  in mem_cgroup_iter()
988 		if (css_tryget(css))  in mem_cgroup_iter()
1003 			css_put(&pos->css);  in mem_cgroup_iter()
1015 		css_put(&prev->css);  in mem_cgroup_iter()
1031 		css_put(&prev->css);  in mem_cgroup_iter_break()
1079 		css_task_iter_start(&iter->css, 0, &it);  in mem_cgroup_scan_tasks()
1189 		css_get(&task_memcg->css);  in task_in_mem_cgroup()
1193 	css_put(&task_memcg->css);  in task_in_mem_cgroup()
1318 	pr_cont_cgroup_path(memcg->css.cgroup);  in mem_cgroup_print_oom_info()
1335 		pr_cont_cgroup_path(iter->css.cgroup);  in mem_cgroup_print_oom_info()
1693 		css_get(&memcg->css);  in mem_cgroup_oom()
1773 	css_put(&memcg->css);  in mem_cgroup_oom_synchronize()
1819 		css_get(&oom_group->css);  in mem_cgroup_get_oom_group()
1829 	pr_cont_cgroup_path(memcg->css.cgroup);  in mem_cgroup_print_oom_group()
1974 		css_put_many(&old->css, stock->nr_pages);  in drain_stock()
2045 		if (!memcg || !stock->nr_pages || !css_tryget(&memcg->css))  in drain_all_stock()
2048 			css_put(&memcg->css);  in drain_all_stock()
2057 		css_put(&memcg->css);  in drain_all_stock()
2141 	css_put(&memcg->css);  in mem_cgroup_handle_over_high()
2284 	css_get_many(&memcg->css, nr_pages);  in try_charge()
2289 	css_get_many(&memcg->css, batch);  in try_charge()
2327 	css_put_many(&memcg->css, nr_pages);  in cancel_charge()
2456 	css_put(&memcg->css);  in memcg_kmem_cache_create_func()
2472 	css_get(&memcg->css);  in __memcg_schedule_kmem_cache_create()
2560 	css_put(&memcg->css);  in memcg_kmem_get_cache()
2571 		css_put(&cachep->memcg_params.memcg->css);  in memcg_kmem_put_cache()
2627 	css_put(&memcg->css);  in memcg_kmem_charge()
2658 	css_put_many(&memcg->css, nr_pages);  in memcg_kmem_uncharge()
2842 		css_put(&mz->memcg->css);  in mem_cgroup_soft_limit_reclaim()
2855 		css_put(&next_mz->memcg->css);  in mem_cgroup_soft_limit_reclaim()
2870 	ret = css_next_child(NULL, &memcg->css);  in memcg_has_children()
2920 static u64 mem_cgroup_hierarchy_read(struct cgroup_subsys_state *css,  in mem_cgroup_hierarchy_read()  argument
2923 	return mem_cgroup_from_css(css)->use_hierarchy;  in mem_cgroup_hierarchy_read()
2926 static int mem_cgroup_hierarchy_write(struct cgroup_subsys_state *css,  in mem_cgroup_hierarchy_write()  argument
2930 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_hierarchy_write()
2931 	struct mem_cgroup *parent_memcg = mem_cgroup_from_css(memcg->css.parent);  in mem_cgroup_hierarchy_write()
3017 static u64 mem_cgroup_read_u64(struct cgroup_subsys_state *css,  in mem_cgroup_read_u64()  argument
3020 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_read_u64()
3091 	struct cgroup_subsys_state *css;  in memcg_offline_kmem()  local
3123 	css_for_each_descendant_pre(css, &memcg->css) {  in memcg_offline_kmem()
3124 		child = mem_cgroup_from_css(css);  in memcg_offline_kmem()
3290 static u64 mem_cgroup_move_charge_read(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_read()  argument
3293 	return mem_cgroup_from_css(css)->move_charge_at_immigrate;  in mem_cgroup_move_charge_read()
3297 static int mem_cgroup_move_charge_write(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_write()  argument
3300 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_move_charge_write()
3315 static int mem_cgroup_move_charge_write(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_write()  argument
3476 static u64 mem_cgroup_swappiness_read(struct cgroup_subsys_state *css,  in mem_cgroup_swappiness_read()  argument
3479 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_swappiness_read()
3484 static int mem_cgroup_swappiness_write(struct cgroup_subsys_state *css,  in mem_cgroup_swappiness_write()  argument
3487 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_swappiness_write()
3492 	if (css->parent)  in mem_cgroup_swappiness_write()
3832 static int mem_cgroup_oom_control_write(struct cgroup_subsys_state *css,  in mem_cgroup_oom_control_write()  argument
3835 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_oom_control_write()
3838 	if (!css->parent || !((val == 0) || (val == 1)))  in mem_cgroup_oom_control_write()
3869 	if (!memcg->css.parent)  in mem_cgroup_wb_domain()
3967 	css_put(&memcg->css);  in memcg_event_remove()
4029 	struct cgroup_subsys_state *css = of_css(of);  in memcg_write_event_control()  local
4030 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in memcg_write_event_control()
4123 	if (cfile_css != css) {  in memcg_write_event_control()
4144 	css_put(css);  in memcg_write_event_control()
4335 		css_put(&memcg->css);  in mem_cgroup_id_put_many()
4516 		return &memcg->css;  in mem_cgroup_css_alloc()
4526 	return &memcg->css;  in mem_cgroup_css_alloc()
4533 static int mem_cgroup_css_online(struct cgroup_subsys_state *css)  in mem_cgroup_css_online()  argument
4535 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_online()
4549 	css_get(css);  in mem_cgroup_css_online()
4553 static void mem_cgroup_css_offline(struct cgroup_subsys_state *css)  in mem_cgroup_css_offline()  argument
4555 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_offline()
4579 static void mem_cgroup_css_released(struct cgroup_subsys_state *css)  in mem_cgroup_css_released()  argument
4581 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_released()
4586 static void mem_cgroup_css_free(struct cgroup_subsys_state *css)  in mem_cgroup_css_free()  argument
4588 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_free()
4617 static void mem_cgroup_css_reset(struct cgroup_subsys_state *css)  in mem_cgroup_css_reset()  argument
4619 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_reset()
5064 		css_put_many(&mc.to->css, mc.moved_swap);  in __mem_cgroup_clear_mc()
5094 	struct cgroup_subsys_state *css;  in mem_cgroup_can_attach()  local
5113 	cgroup_taskset_for_each_leader(leader, css, tset) {  in mem_cgroup_can_attach()
5116 		memcg = mem_cgroup_from_css(css);  in mem_cgroup_can_attach()
5356 static u64 memory_current_read(struct cgroup_subsys_state *css,  in memory_current_read()  argument
5359 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in memory_current_read()
5903 			if (memcg && !css_tryget_online(&memcg->css))  in mem_cgroup_try_charge()
5914 	css_put(&memcg->css);  in mem_cgroup_try_charge()
6053 		css_put_many(&ug->memcg->css, nr_pages);  in uncharge_batch()
6209 	css_get_many(&memcg->css, nr_pages);  in mem_cgroup_migrate()
6239 		css_get(&sk->sk_memcg->css);  in mem_cgroup_sk_alloc()
6249 	if (css_tryget_online(&memcg->css))  in mem_cgroup_sk_alloc()
6258 		css_put(&sk->sk_memcg->css);  in mem_cgroup_sk_free()
6459 		css_put_many(&memcg->css, nr_entries);  in mem_cgroup_swapout()
6593 static u64 swap_current_read(struct cgroup_subsys_state *css,  in swap_current_read()  argument
6596 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in swap_current_read()