1638 	struct ksm_stable_node *page_node;  in stable_tree_search()  local
1640 	page_node = page_stable_node(page);  in stable_tree_search()
1641 	if (page_node && page_node->head != &migrate_nodes) {  in stable_tree_search()
1720 			if (page_node) {  in stable_tree_search()
1721 				VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1778 	if (!page_node)  in stable_tree_search()
1781 	list_del(&page_node->list);  in stable_tree_search()
1782 	DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1783 	rb_link_node(&page_node->node, parent, new);  in stable_tree_search()
1784 	rb_insert_color(&page_node->node, root);  in stable_tree_search()
1786 	if (is_page_sharing_candidate(page_node)) {  in stable_tree_search()
1805 		if (page_node) {  in stable_tree_search()
1806 			VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1807 			list_del(&page_node->list);  in stable_tree_search()
1808 			DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1810 					&page_node->node,  in stable_tree_search()
1812 			if (is_page_sharing_candidate(page_node))  in stable_tree_search()
1823 		if (page_node) {  in stable_tree_search()
1824 			VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1825 			list_del(&page_node->list);  in stable_tree_search()
1826 			DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1827 			stable_node_chain_add_dup(page_node, stable_node);  in stable_tree_search()
1828 			if (is_page_sharing_candidate(page_node))  in stable_tree_search()
1867 	VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1868 	list_del(&page_node->list);  in stable_tree_search()
1869 	DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1870 	stable_node_chain_add_dup(page_node, stable_node);  in stable_tree_search()