1552 	struct ksm_stable_node *page_node;  in stable_tree_search()  local
1554 	page_node = page_stable_node(page);  in stable_tree_search()
1555 	if (page_node && page_node->head != &migrate_nodes) {  in stable_tree_search()
1634 			if (page_node) {  in stable_tree_search()
1635 				VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1692 	if (!page_node)  in stable_tree_search()
1695 	list_del(&page_node->list);  in stable_tree_search()
1696 	DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1697 	rb_link_node(&page_node->node, parent, new);  in stable_tree_search()
1698 	rb_insert_color(&page_node->node, root);  in stable_tree_search()
1700 	if (is_page_sharing_candidate(page_node)) {  in stable_tree_search()
1719 		if (page_node) {  in stable_tree_search()
1720 			VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1721 			list_del(&page_node->list);  in stable_tree_search()
1722 			DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1724 					&page_node->node,  in stable_tree_search()
1726 			if (is_page_sharing_candidate(page_node))  in stable_tree_search()
1737 		if (page_node) {  in stable_tree_search()
1738 			VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1739 			list_del(&page_node->list);  in stable_tree_search()
1740 			DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1741 			stable_node_chain_add_dup(page_node, stable_node);  in stable_tree_search()
1742 			if (is_page_sharing_candidate(page_node))  in stable_tree_search()
1781 	VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1782 	list_del(&page_node->list);  in stable_tree_search()
1783 	DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1784 	stable_node_chain_add_dup(page_node, stable_node);  in stable_tree_search()