1558 	struct stable_node *page_node;  in stable_tree_search()  local
1560 	page_node = page_stable_node(page);  in stable_tree_search()
1561 	if (page_node && page_node->head != &migrate_nodes) {  in stable_tree_search()
1640 			if (page_node) {  in stable_tree_search()
1641 				VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1698 	if (!page_node)  in stable_tree_search()
1701 	list_del(&page_node->list);  in stable_tree_search()
1702 	DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1703 	rb_link_node(&page_node->node, parent, new);  in stable_tree_search()
1704 	rb_insert_color(&page_node->node, root);  in stable_tree_search()
1706 	if (is_page_sharing_candidate(page_node)) {  in stable_tree_search()
1725 		if (page_node) {  in stable_tree_search()
1726 			VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1727 			list_del(&page_node->list);  in stable_tree_search()
1728 			DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1730 					&page_node->node,  in stable_tree_search()
1732 			if (is_page_sharing_candidate(page_node))  in stable_tree_search()
1743 		if (page_node) {  in stable_tree_search()
1744 			VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1745 			list_del(&page_node->list);  in stable_tree_search()
1746 			DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1747 			stable_node_chain_add_dup(page_node, stable_node);  in stable_tree_search()
1748 			if (is_page_sharing_candidate(page_node))  in stable_tree_search()
1789 	VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1790 	list_del(&page_node->list);  in stable_tree_search()
1791 	DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1792 	stable_node_chain_add_dup(page_node, stable_node);  in stable_tree_search()