427 	return &memcg->css;  in mem_cgroup_css_from_page()
451 	while (memcg && !(memcg->css.flags & CSS_ONLINE))  in page_cgroup_ino()
454 		ino = cgroup_ino(memcg->css.cgroup);  in page_cgroup_ino()
621 	    !css_tryget(&mz->memcg->css))  in __mem_cgroup_largest_soft_limit_node()
650 	cgroup_rstat_updated(memcg->css.cgroup, smp_processor_id());  in __mod_memcg_state()
783 	cgroup_rstat_updated(memcg->css.cgroup, smp_processor_id());  in __count_memcg_events()
913 			css_get(&memcg->css);  in get_mem_cgroup_from_mm()
926 	} while (!css_tryget(&memcg->css));  in get_mem_cgroup_from_mm()
967 	struct cgroup_subsys_state *css = NULL;  in mem_cgroup_iter()  local
993 			if (!pos || css_tryget(&pos->css))  in mem_cgroup_iter()
1008 		css = &pos->css;  in mem_cgroup_iter()
1011 		css = css_next_descendant_pre(css, &root->css);  in mem_cgroup_iter()
1012 		if (!css) {  in mem_cgroup_iter()
1029 		memcg = mem_cgroup_from_css(css);  in mem_cgroup_iter()
1031 		if (css == &root->css)  in mem_cgroup_iter()
1034 		if (css_tryget(css))  in mem_cgroup_iter()
1049 			css_put(&pos->css);  in mem_cgroup_iter()
1060 		css_put(&prev->css);  in mem_cgroup_iter()
1076 		css_put(&prev->css);  in mem_cgroup_iter_break()
1139 		css_task_iter_start(&iter->css, CSS_TASK_ITER_PROCS, &it);  in mem_cgroup_scan_tasks()
1417 	cgroup_rstat_flush(memcg->css.cgroup);  in memory_stat_format()
1484 		pr_cont_cgroup_path(memcg->css.cgroup);  in mem_cgroup_print_oom_context()
1520 	pr_cont_cgroup_path(memcg->css.cgroup);  in mem_cgroup_print_oom_meminfo()
1797 		css_get(&memcg->css);  in mem_cgroup_oom()
1890 	css_put(&memcg->css);  in mem_cgroup_oom_synchronize()
1944 		css_get(&oom_group->css);  in mem_cgroup_get_oom_group()
1954 	pr_cont_cgroup_path(memcg->css.cgroup);  in mem_cgroup_print_oom_group()
2166 	css_put(&old->css);  in drain_stock()
2206 		css_get(&memcg->css);  in refill_stock()
2521 	css_put(&memcg->css);  in mem_cgroup_handle_over_high()
2758 	if (unlikely(!css_tryget(&memcg->css)))  in get_mem_cgroup_from_objcg()
2940 	css_put(&memcg->css);  in obj_cgroup_uncharge_pages()
2980 	css_put(&memcg->css);  in obj_cgroup_charge_pages()
3272 		css_get_many(&memcg->css, nr - 1);  in split_page_memcg()
3435 		css_put(&mz->memcg->css);  in mem_cgroup_soft_limit_reclaim()
3448 		css_put(&next_mz->memcg->css);  in mem_cgroup_soft_limit_reclaim()
3497 static u64 mem_cgroup_hierarchy_read(struct cgroup_subsys_state *css,  in mem_cgroup_hierarchy_read()  argument
3503 static int mem_cgroup_hierarchy_write(struct cgroup_subsys_state *css,  in mem_cgroup_hierarchy_write()  argument
3522 		cgroup_rstat_flush_irqsafe(memcg->css.cgroup);  in mem_cgroup_usage()
3544 static u64 mem_cgroup_read_u64(struct cgroup_subsys_state *css,  in mem_cgroup_read_u64()  argument
3547 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_read_u64()
3621 	struct cgroup_subsys_state *css;  in memcg_offline_kmem()  local
3648 	css_for_each_descendant_pre(css, &memcg->css) {  in memcg_offline_kmem()
3649 		child = mem_cgroup_from_css(css);  in memcg_offline_kmem()
3810 static u64 mem_cgroup_move_charge_read(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_read()  argument
3813 	return mem_cgroup_from_css(css)->move_charge_at_immigrate;  in mem_cgroup_move_charge_read()
3817 static int mem_cgroup_move_charge_write(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_write()  argument
3820 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_move_charge_write()
3835 static int mem_cgroup_move_charge_write(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_write()  argument
3903 	cgroup_rstat_flush(memcg->css.cgroup);  in memcg_numa_stat_show()
3975 	cgroup_rstat_flush(memcg->css.cgroup);  in memcg_stat_show()
4048 static u64 mem_cgroup_swappiness_read(struct cgroup_subsys_state *css,  in mem_cgroup_swappiness_read()  argument
4051 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_swappiness_read()
4056 static int mem_cgroup_swappiness_write(struct cgroup_subsys_state *css,  in mem_cgroup_swappiness_write()  argument
4059 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_swappiness_write()
4408 static int mem_cgroup_oom_control_write(struct cgroup_subsys_state *css,  in mem_cgroup_oom_control_write()  argument
4411 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_oom_control_write()
4447 	if (!memcg->css.parent)  in mem_cgroup_wb_domain()
4478 	cgroup_rstat_flush_irqsafe(memcg->css.cgroup);  in mem_cgroup_wb_stats()
4670 	css_put(&memcg->css);  in memcg_event_remove()
4732 	struct cgroup_subsys_state *css = of_css(of);  in memcg_write_event_control()  local
4733 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in memcg_write_event_control()
4826 	if (cfile_css != css) {  in memcg_write_event_control()
4847 	css_put(css);  in memcg_write_event_control()
5035 		css_put(&memcg->css);  in mem_cgroup_id_put_many()
5214 		return &memcg->css;  in mem_cgroup_css_alloc()
5225 	return &memcg->css;  in mem_cgroup_css_alloc()
5232 static int mem_cgroup_css_online(struct cgroup_subsys_state *css)  in mem_cgroup_css_online()  argument
5234 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_online()
5248 	css_get(css);  in mem_cgroup_css_online()
5256 static void mem_cgroup_css_offline(struct cgroup_subsys_state *css)  in mem_cgroup_css_offline()  argument
5258 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_offline()
5285 static void mem_cgroup_css_released(struct cgroup_subsys_state *css)  in mem_cgroup_css_released()  argument
5287 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_released()
5292 static void mem_cgroup_css_free(struct cgroup_subsys_state *css)  in mem_cgroup_css_free()  argument
5294 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_free()
5328 static void mem_cgroup_css_reset(struct cgroup_subsys_state *css)  in mem_cgroup_css_reset()  argument
5330 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_reset()
5349 	cgroup_rstat_flush_irqsafe(root_mem_cgroup->css.cgroup);  in mem_cgroup_flush_stats()
5359 static void mem_cgroup_css_rstat_flush(struct cgroup_subsys_state *css, int cpu)  in mem_cgroup_css_rstat_flush()  argument
5361 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_rstat_flush()
5662 	css_get(&to->css);  in mem_cgroup_move_account()
5663 	css_put(&from->css);  in mem_cgroup_move_account()
5914 	struct cgroup_subsys_state *css;  in mem_cgroup_can_attach()  local
5933 	cgroup_taskset_for_each_leader(leader, css, tset) {  in mem_cgroup_can_attach()
5936 		memcg = mem_cgroup_from_css(css);  in mem_cgroup_can_attach()
6169 static u64 memory_current_read(struct cgroup_subsys_state *css,  in memory_current_read()  argument
6172 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in memory_current_read()
6376 	cgroup_rstat_flush(memcg->css.cgroup);  in memory_numa_stat_show()
6692 	css_get(&memcg->css);  in charge_memcg()
6725 	css_put(&memcg->css);  in __mem_cgroup_charge()
6755 	if (!memcg || !css_tryget_online(&memcg->css))  in mem_cgroup_swapin_charge_page()
6761 	css_put(&memcg->css);  in mem_cgroup_swapin_charge_page()
6831 	css_put(&ug->memcg->css);  in uncharge_batch()
6871 		css_get(&memcg->css);  in uncharge_page()
6891 	css_put(&memcg->css);  in uncharge_page()
6975 	css_get(&memcg->css);  in mem_cgroup_migrate()
7004 	if (css_tryget(&memcg->css))  in mem_cgroup_sk_alloc()
7013 		css_put(&sk->sk_memcg->css);  in mem_cgroup_sk_free()
7210 	css_put(&memcg->css);  in mem_cgroup_swapout()
7338 static u64 swap_current_read(struct cgroup_subsys_state *css,  in swap_current_read()  argument
7341 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in swap_current_read()