1551 	struct ksm_stable_node *stable_node, *stable_node_dup, *stable_node_any;  in stable_tree_search()  local
1573 		stable_node_any = NULL;  in stable_tree_search()
1593 			stable_node_any = stable_node_dup_any(stable_node,  in stable_tree_search()
1595 			if (!stable_node_any) {  in stable_tree_search()
1608 			tree_page = get_ksm_page(stable_node_any,  in stable_tree_search()
1611 		VM_BUG_ON(!stable_node_dup ^ !!stable_node_any);  in stable_tree_search()
1757 		stable_node_dup = stable_node_any;  in stable_tree_search()
1802 	struct ksm_stable_node *stable_node, *stable_node_dup, *stable_node_any;  in stable_tree_insert()  local
1818 		stable_node_any = NULL;  in stable_tree_insert()
1826 			stable_node_any = stable_node_dup_any(stable_node,  in stable_tree_insert()
1828 			if (!stable_node_any) {  in stable_tree_insert()
1841 			tree_page = get_ksm_page(stable_node_any,  in stable_tree_insert()
1844 		VM_BUG_ON(!stable_node_dup ^ !!stable_node_any);  in stable_tree_insert()