604 static void __mem_cgroup_insert_exceeded(struct mem_cgroup_per_node *mz,  in __mem_cgroup_insert_exceeded()  argument
613 	if (mz->on_tree)  in __mem_cgroup_insert_exceeded()
616 	mz->usage_in_excess = new_usage_in_excess;  in __mem_cgroup_insert_exceeded()
617 	if (!mz->usage_in_excess)  in __mem_cgroup_insert_exceeded()
623 		if (mz->usage_in_excess < mz_node->usage_in_excess) {  in __mem_cgroup_insert_exceeded()
632 		else if (mz->usage_in_excess >= mz_node->usage_in_excess)  in __mem_cgroup_insert_exceeded()
637 		mctz->rb_rightmost = &mz->tree_node;  in __mem_cgroup_insert_exceeded()
639 	rb_link_node(&mz->tree_node, parent, p);  in __mem_cgroup_insert_exceeded()
640 	rb_insert_color(&mz->tree_node, &mctz->rb_root);  in __mem_cgroup_insert_exceeded()
641 	mz->on_tree = true;  in __mem_cgroup_insert_exceeded()
644 static void __mem_cgroup_remove_exceeded(struct mem_cgroup_per_node *mz,  in __mem_cgroup_remove_exceeded()  argument
647 	if (!mz->on_tree)  in __mem_cgroup_remove_exceeded()
650 	if (&mz->tree_node == mctz->rb_rightmost)  in __mem_cgroup_remove_exceeded()
651 		mctz->rb_rightmost = rb_prev(&mz->tree_node);  in __mem_cgroup_remove_exceeded()
653 	rb_erase(&mz->tree_node, &mctz->rb_root);  in __mem_cgroup_remove_exceeded()
654 	mz->on_tree = false;  in __mem_cgroup_remove_exceeded()
657 static void mem_cgroup_remove_exceeded(struct mem_cgroup_per_node *mz,  in mem_cgroup_remove_exceeded()  argument
663 	__mem_cgroup_remove_exceeded(mz, mctz);  in mem_cgroup_remove_exceeded()
682 	struct mem_cgroup_per_node *mz;  in mem_cgroup_update_tree()  local
693 		mz = mem_cgroup_page_nodeinfo(memcg, page);  in mem_cgroup_update_tree()
699 		if (excess || mz->on_tree) {  in mem_cgroup_update_tree()
704 			if (mz->on_tree)  in mem_cgroup_update_tree()
705 				__mem_cgroup_remove_exceeded(mz, mctz);  in mem_cgroup_update_tree()
710 			__mem_cgroup_insert_exceeded(mz, mctz, excess);  in mem_cgroup_update_tree()
719 	struct mem_cgroup_per_node *mz;  in mem_cgroup_remove_from_trees()  local
723 		mz = mem_cgroup_nodeinfo(memcg, nid);  in mem_cgroup_remove_from_trees()
726 			mem_cgroup_remove_exceeded(mz, mctz);  in mem_cgroup_remove_from_trees()
733 	struct mem_cgroup_per_node *mz;  in __mem_cgroup_largest_soft_limit_node()  local
736 	mz = NULL;  in __mem_cgroup_largest_soft_limit_node()
740 	mz = rb_entry(mctz->rb_rightmost,  in __mem_cgroup_largest_soft_limit_node()
747 	__mem_cgroup_remove_exceeded(mz, mctz);  in __mem_cgroup_largest_soft_limit_node()
748 	if (!soft_limit_excess(mz->memcg) ||  in __mem_cgroup_largest_soft_limit_node()
749 	    !css_tryget(&mz->memcg->css))  in __mem_cgroup_largest_soft_limit_node()
752 	return mz;  in __mem_cgroup_largest_soft_limit_node()
758 	struct mem_cgroup_per_node *mz;  in mem_cgroup_largest_soft_limit_node()  local
761 	mz = __mem_cgroup_largest_soft_limit_node(mctz);  in mem_cgroup_largest_soft_limit_node()
763 	return mz;  in mem_cgroup_largest_soft_limit_node()
1169 		struct mem_cgroup_per_node *mz;  in mem_cgroup_iter()  local
1171 		mz = mem_cgroup_nodeinfo(root, reclaim->pgdat->node_id);  in mem_cgroup_iter()
1172 		iter = &mz->iter;  in mem_cgroup_iter()
1270 	struct mem_cgroup_per_node *mz;  in __invalidate_reclaim_iterators()  local
1274 		mz = mem_cgroup_nodeinfo(from, nid);  in __invalidate_reclaim_iterators()
1275 		iter = &mz->iter;  in __invalidate_reclaim_iterators()
1348 	struct mem_cgroup_per_node *mz;  in mem_cgroup_page_lruvec()  local
1365 	mz = mem_cgroup_page_nodeinfo(memcg, page);  in mem_cgroup_page_lruvec()
1366 	lruvec = &mz->lruvec;  in mem_cgroup_page_lruvec()
1392 	struct mem_cgroup_per_node *mz;  in mem_cgroup_update_lru_size()  local
1399 	mz = container_of(lruvec, struct mem_cgroup_per_node, lruvec);  in mem_cgroup_update_lru_size()
1400 	lru_size = &mz->lru_zone_size[zid][lru];  in mem_cgroup_update_lru_size()
3394 	struct mem_cgroup_per_node *mz, *next_mz = NULL;  in mem_cgroup_soft_limit_reclaim()  local
3421 			mz = next_mz;  in mem_cgroup_soft_limit_reclaim()
3423 			mz = mem_cgroup_largest_soft_limit_node(mctz);  in mem_cgroup_soft_limit_reclaim()
3424 		if (!mz)  in mem_cgroup_soft_limit_reclaim()
3428 		reclaimed = mem_cgroup_soft_reclaim(mz->memcg, pgdat,  in mem_cgroup_soft_limit_reclaim()
3433 		__mem_cgroup_remove_exceeded(mz, mctz);  in mem_cgroup_soft_limit_reclaim()
3443 		excess = soft_limit_excess(mz->memcg);  in mem_cgroup_soft_limit_reclaim()
3453 		__mem_cgroup_insert_exceeded(mz, mctz, excess);  in mem_cgroup_soft_limit_reclaim()
3455 		css_put(&mz->memcg->css);  in mem_cgroup_soft_limit_reclaim()
4144 		struct mem_cgroup_per_node *mz;  in memcg_stat_show()  local
4149 			mz = mem_cgroup_nodeinfo(memcg, pgdat->node_id);  in memcg_stat_show()
4151 			anon_cost += mz->lruvec.anon_cost;  in memcg_stat_show()
4152 			file_cost += mz->lruvec.file_cost;  in memcg_stat_show()