259 	return &container_of(vmpr, struct mem_cgroup, vmpressure)->css;  in vmpressure_to_css()
275 	return memcg->css.id;  in mem_cgroup_id()
286 	struct cgroup_subsys_state *css;  in mem_cgroup_from_id()  local
288 	css = css_from_id(id, &memory_cgrp_subsys);  in mem_cgroup_from_id()
289 	return mem_cgroup_from_css(css);  in mem_cgroup_from_id()
313 			css_get(&sk->sk_cgrp->memcg->css);  in sock_update_memcg()
321 		    css_tryget_online(&memcg->css)) {  in sock_update_memcg()
335 		css_put(&sk->sk_cgrp->memcg->css);  in sock_release_memcg()
443 	return &memcg->css;  in mem_cgroup_css_from_page()
466 	while (memcg && !(memcg->css.flags & CSS_ONLINE))  in page_cgroup_ino()
469 		ino = cgroup_ino(memcg->css.cgroup);  in page_cgroup_ino()
631 	    !css_tryget_online(&mz->memcg->css))  in __mem_cgroup_largest_soft_limit_node()
850 	} while (!css_tryget_online(&memcg->css));  in get_mem_cgroup_from_mm()
877 	struct cgroup_subsys_state *css = NULL;  in mem_cgroup_iter()  local
909 			if (!pos || css_tryget(&pos->css))  in mem_cgroup_iter()
924 		css = &pos->css;  in mem_cgroup_iter()
927 		css = css_next_descendant_pre(css, &root->css);  in mem_cgroup_iter()
928 		if (!css) {  in mem_cgroup_iter()
945 		memcg = mem_cgroup_from_css(css);  in mem_cgroup_iter()
947 		if (css == &root->css)  in mem_cgroup_iter()
950 		if (css_tryget(css)) {  in mem_cgroup_iter()
959 			css_put(css);  in mem_cgroup_iter()
974 			css_put(&pos->css);  in mem_cgroup_iter()
986 		css_put(&prev->css);  in mem_cgroup_iter()
1002 		css_put(&prev->css);  in mem_cgroup_iter_break()
1158 		css_get(&task_memcg->css);  in task_in_mem_cgroup()
1162 	css_put(&task_memcg->css);  in task_in_mem_cgroup()
1269 	pr_cont_cgroup_path(memcg->css.cgroup);  in mem_cgroup_print_oom_info()
1286 		pr_cont_cgroup_path(iter->css.cgroup);  in mem_cgroup_print_oom_info()
1369 		css_task_iter_start(&iter->css, &it);  in mem_cgroup_out_of_memory()
1707 	css_get(&memcg->css);  in mem_cgroup_oom()
1779 	css_put(&memcg->css);  in mem_cgroup_oom_synchronize()
1916 		css_put_many(&old->css, stock->nr_pages);  in drain_stock()
2023 	css_put(&memcg->css);  in mem_cgroup_handle_over_high()
2137 	css_get_many(&memcg->css, nr_pages);  in try_charge()
2142 	css_get_many(&memcg->css, batch);  in try_charge()
2175 	css_put_many(&memcg->css, nr_pages);  in cancel_charge()
2304 	css_put(&memcg->css);  in memcg_kmem_cache_create_func()
2320 	css_get(&memcg->css);  in __memcg_schedule_kmem_cache_create()
2395 	css_put(&memcg->css);  in __memcg_kmem_get_cache()
2402 		css_put(&cachep->memcg_params.memcg->css);  in __memcg_kmem_put_cache()
2436 	css_put(&memcg->css);  in __memcg_kmem_charge()
2456 	css_put_many(&memcg->css, nr_pages);  in __memcg_kmem_uncharge()
2693 		css_put(&mz->memcg->css);  in mem_cgroup_soft_limit_reclaim()
2706 		css_put(&next_mz->memcg->css);  in mem_cgroup_soft_limit_reclaim()
2729 	ret = css_next_child(NULL, &memcg->css);  in memcg_has_children()
2777 static u64 mem_cgroup_hierarchy_read(struct cgroup_subsys_state *css,  in mem_cgroup_hierarchy_read()  argument
2780 	return mem_cgroup_from_css(css)->use_hierarchy;  in mem_cgroup_hierarchy_read()
2783 static int mem_cgroup_hierarchy_write(struct cgroup_subsys_state *css,  in mem_cgroup_hierarchy_write()  argument
2787 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_hierarchy_write()
2788 	struct mem_cgroup *parent_memcg = mem_cgroup_from_css(memcg->css.parent);  in mem_cgroup_hierarchy_write()
2856 static u64 mem_cgroup_read_u64(struct cgroup_subsys_state *css,  in mem_cgroup_read_u64()  argument
2859 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_read_u64()
2920 	if (cgroup_is_populated(memcg->css.cgroup) ||  in memcg_activate_kmem()
3070 static u64 mem_cgroup_move_charge_read(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_read()  argument
3073 	return mem_cgroup_from_css(css)->move_charge_at_immigrate;  in mem_cgroup_move_charge_read()
3077 static int mem_cgroup_move_charge_write(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_write()  argument
3080 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_move_charge_write()
3095 static int mem_cgroup_move_charge_write(struct cgroup_subsys_state *css,  in mem_cgroup_move_charge_write()  argument
3248 static u64 mem_cgroup_swappiness_read(struct cgroup_subsys_state *css,  in mem_cgroup_swappiness_read()  argument
3251 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_swappiness_read()
3256 static int mem_cgroup_swappiness_write(struct cgroup_subsys_state *css,  in mem_cgroup_swappiness_write()  argument
3259 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_swappiness_write()
3264 	if (css->parent)  in mem_cgroup_swappiness_write()
3602 static int mem_cgroup_oom_control_write(struct cgroup_subsys_state *css,  in mem_cgroup_oom_control_write()  argument
3605 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_oom_control_write()
3608 	if (!css->parent || !((val == 0) || (val == 1)))  in mem_cgroup_oom_control_write()
3632 	struct cgroup_subsys_state *css;  in memcg_deactivate_kmem()  local
3665 	css_for_each_descendant_pre(css, &memcg->css) {  in memcg_deactivate_kmem()
3666 		child = mem_cgroup_from_css(css);  in memcg_deactivate_kmem()
3729 	if (!memcg->css.parent)  in mem_cgroup_wb_domain()
3827 	css_put(&memcg->css);  in memcg_event_remove()
3889 	struct cgroup_subsys_state *css = of_css(of);  in memcg_write_event_control()  local
3890 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in memcg_write_event_control()
3983 	if (cfile_css != css) {  in memcg_write_event_control()
4004 	css_put(css);  in memcg_write_event_control()
4244 		mem_cgroup_root_css = &memcg->css;  in mem_cgroup_css_alloc()
4266 	return &memcg->css;  in mem_cgroup_css_alloc()
4274 mem_cgroup_css_online(struct cgroup_subsys_state *css)  in mem_cgroup_css_online()  argument
4276 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_online()
4277 	struct mem_cgroup *parent = mem_cgroup_from_css(css->parent);  in mem_cgroup_css_online()
4280 	if (css->id > MEM_CGROUP_ID_MAX)  in mem_cgroup_css_online()
4333 static void mem_cgroup_css_offline(struct cgroup_subsys_state *css)  in mem_cgroup_css_offline()  argument
4335 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_offline()
4357 static void mem_cgroup_css_released(struct cgroup_subsys_state *css)  in mem_cgroup_css_released()  argument
4359 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_released()
4364 static void mem_cgroup_css_free(struct cgroup_subsys_state *css)  in mem_cgroup_css_free()  argument
4366 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_free()
4385 static void mem_cgroup_css_reset(struct cgroup_subsys_state *css)  in mem_cgroup_css_reset()  argument
4387 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in mem_cgroup_css_reset()
4795 		css_put_many(&mc.from->css, mc.moved_swap);  in __mem_cgroup_clear_mc()
4826 	struct cgroup_subsys_state *css;  in mem_cgroup_can_attach()  local
4845 	cgroup_taskset_for_each_leader(leader, css, tset) {  in mem_cgroup_can_attach()
4848 		memcg = mem_cgroup_from_css(css);  in mem_cgroup_can_attach()
5074 static u64 memory_current_read(struct cgroup_subsys_state *css,  in memory_current_read()  argument
5077 	struct mem_cgroup *memcg = mem_cgroup_from_css(css);  in memory_current_read()
5354 			if (memcg && !css_tryget_online(&memcg->css))  in mem_cgroup_try_charge()
5370 	css_put(&memcg->css);  in mem_cgroup_try_charge()
5486 		css_put_many(&memcg->css, nr_pages);  in uncharge_batch()
5729 		css_put(&memcg->css);  in mem_cgroup_uncharge_swap()