605 static void __mem_cgroup_insert_exceeded(struct mem_cgroup_per_node *mz,  in __mem_cgroup_insert_exceeded()  argument
614 	if (mz->on_tree)  in __mem_cgroup_insert_exceeded()
617 	mz->usage_in_excess = new_usage_in_excess;  in __mem_cgroup_insert_exceeded()
618 	if (!mz->usage_in_excess)  in __mem_cgroup_insert_exceeded()
624 		if (mz->usage_in_excess < mz_node->usage_in_excess) {  in __mem_cgroup_insert_exceeded()
633 		else if (mz->usage_in_excess >= mz_node->usage_in_excess)  in __mem_cgroup_insert_exceeded()
638 		mctz->rb_rightmost = &mz->tree_node;  in __mem_cgroup_insert_exceeded()
640 	rb_link_node(&mz->tree_node, parent, p);  in __mem_cgroup_insert_exceeded()
641 	rb_insert_color(&mz->tree_node, &mctz->rb_root);  in __mem_cgroup_insert_exceeded()
642 	mz->on_tree = true;  in __mem_cgroup_insert_exceeded()
645 static void __mem_cgroup_remove_exceeded(struct mem_cgroup_per_node *mz,  in __mem_cgroup_remove_exceeded()  argument
648 	if (!mz->on_tree)  in __mem_cgroup_remove_exceeded()
651 	if (&mz->tree_node == mctz->rb_rightmost)  in __mem_cgroup_remove_exceeded()
652 		mctz->rb_rightmost = rb_prev(&mz->tree_node);  in __mem_cgroup_remove_exceeded()
654 	rb_erase(&mz->tree_node, &mctz->rb_root);  in __mem_cgroup_remove_exceeded()
655 	mz->on_tree = false;  in __mem_cgroup_remove_exceeded()
658 static void mem_cgroup_remove_exceeded(struct mem_cgroup_per_node *mz,  in mem_cgroup_remove_exceeded()  argument
664 	__mem_cgroup_remove_exceeded(mz, mctz);  in mem_cgroup_remove_exceeded()
683 	struct mem_cgroup_per_node *mz;  in mem_cgroup_update_tree()  local
694 		mz = mem_cgroup_page_nodeinfo(memcg, page);  in mem_cgroup_update_tree()
700 		if (excess || mz->on_tree) {  in mem_cgroup_update_tree()
705 			if (mz->on_tree)  in mem_cgroup_update_tree()
706 				__mem_cgroup_remove_exceeded(mz, mctz);  in mem_cgroup_update_tree()
711 			__mem_cgroup_insert_exceeded(mz, mctz, excess);  in mem_cgroup_update_tree()
720 	struct mem_cgroup_per_node *mz;  in mem_cgroup_remove_from_trees()  local
724 		mz = mem_cgroup_nodeinfo(memcg, nid);  in mem_cgroup_remove_from_trees()
727 			mem_cgroup_remove_exceeded(mz, mctz);  in mem_cgroup_remove_from_trees()
734 	struct mem_cgroup_per_node *mz;  in __mem_cgroup_largest_soft_limit_node()  local
737 	mz = NULL;  in __mem_cgroup_largest_soft_limit_node()
741 	mz = rb_entry(mctz->rb_rightmost,  in __mem_cgroup_largest_soft_limit_node()
748 	__mem_cgroup_remove_exceeded(mz, mctz);  in __mem_cgroup_largest_soft_limit_node()
749 	if (!soft_limit_excess(mz->memcg) ||  in __mem_cgroup_largest_soft_limit_node()
750 	    !css_tryget(&mz->memcg->css))  in __mem_cgroup_largest_soft_limit_node()
753 	return mz;  in __mem_cgroup_largest_soft_limit_node()
759 	struct mem_cgroup_per_node *mz;  in mem_cgroup_largest_soft_limit_node()  local
762 	mz = __mem_cgroup_largest_soft_limit_node(mctz);  in mem_cgroup_largest_soft_limit_node()
764 	return mz;  in mem_cgroup_largest_soft_limit_node()
1166 		struct mem_cgroup_per_node *mz;  in mem_cgroup_iter()  local
1168 		mz = mem_cgroup_nodeinfo(root, reclaim->pgdat->node_id);  in mem_cgroup_iter()
1169 		iter = &mz->iter;  in mem_cgroup_iter()
1267 	struct mem_cgroup_per_node *mz;  in __invalidate_reclaim_iterators()  local
1271 		mz = mem_cgroup_nodeinfo(from, nid);  in __invalidate_reclaim_iterators()
1272 		iter = &mz->iter;  in __invalidate_reclaim_iterators()
1345 	struct mem_cgroup_per_node *mz;  in mem_cgroup_page_lruvec()  local
1362 	mz = mem_cgroup_page_nodeinfo(memcg, page);  in mem_cgroup_page_lruvec()
1363 	lruvec = &mz->lruvec;  in mem_cgroup_page_lruvec()
1421 	struct mem_cgroup_per_node *mz;  in mem_cgroup_update_lru_size()  local
1428 	mz = container_of(lruvec, struct mem_cgroup_per_node, lruvec);  in mem_cgroup_update_lru_size()
1429 	lru_size = &mz->lru_zone_size[zid][lru];  in mem_cgroup_update_lru_size()
3428 	struct mem_cgroup_per_node *mz, *next_mz = NULL;  in mem_cgroup_soft_limit_reclaim()  local
3455 			mz = next_mz;  in mem_cgroup_soft_limit_reclaim()
3457 			mz = mem_cgroup_largest_soft_limit_node(mctz);  in mem_cgroup_soft_limit_reclaim()
3458 		if (!mz)  in mem_cgroup_soft_limit_reclaim()
3462 		reclaimed = mem_cgroup_soft_reclaim(mz->memcg, pgdat,  in mem_cgroup_soft_limit_reclaim()
3467 		__mem_cgroup_remove_exceeded(mz, mctz);  in mem_cgroup_soft_limit_reclaim()
3477 		excess = soft_limit_excess(mz->memcg);  in mem_cgroup_soft_limit_reclaim()
3487 		__mem_cgroup_insert_exceeded(mz, mctz, excess);  in mem_cgroup_soft_limit_reclaim()
3489 		css_put(&mz->memcg->css);  in mem_cgroup_soft_limit_reclaim()
4178 		struct mem_cgroup_per_node *mz;  in memcg_stat_show()  local
4183 			mz = mem_cgroup_nodeinfo(memcg, pgdat->node_id);  in memcg_stat_show()
4185 			anon_cost += mz->lruvec.anon_cost;  in memcg_stat_show()
4186 			file_cost += mz->lruvec.file_cost;  in memcg_stat_show()