1832 	struct ksm_stable_node *page_node;  in stable_tree_search()  local
1836 	page_node = folio_stable_node(folio);  in stable_tree_search()
1837 	if (page_node && page_node->head != &migrate_nodes) {  in stable_tree_search()
1878 			if (page_node) {  in stable_tree_search()
1879 				VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1939 	if (!page_node)  in stable_tree_search()
1942 	list_del(&page_node->list);  in stable_tree_search()
1943 	DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1944 	rb_link_node(&page_node->node, parent, new);  in stable_tree_search()
1945 	rb_insert_color(&page_node->node, root);  in stable_tree_search()
1947 	if (is_page_sharing_candidate(page_node)) {  in stable_tree_search()
1966 		if (page_node) {  in stable_tree_search()
1967 			VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1968 			list_del(&page_node->list);  in stable_tree_search()
1969 			DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1971 					&page_node->node,  in stable_tree_search()
1973 			if (is_page_sharing_candidate(page_node))  in stable_tree_search()
1984 		if (page_node) {  in stable_tree_search()
1985 			VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
1986 			list_del(&page_node->list);  in stable_tree_search()
1987 			DO_NUMA(page_node->nid = nid);  in stable_tree_search()
1988 			stable_node_chain_add_dup(page_node, stable_node);  in stable_tree_search()
1989 			if (is_page_sharing_candidate(page_node))  in stable_tree_search()
2025 	VM_BUG_ON(page_node->head != &migrate_nodes);  in stable_tree_search()
2026 	list_del(&page_node->list);  in stable_tree_search()
2027 	DO_NUMA(page_node->nid = nid);  in stable_tree_search()
2028 	stable_node_chain_add_dup(page_node, stable_node);  in stable_tree_search()