309 	struct radix_tree_node *node;  in shadow_lru_isolate()  local
325 	node = container_of(item, struct radix_tree_node, private_list);  in shadow_lru_isolate()
326 	mapping = node->private_data;  in shadow_lru_isolate()
344 	BUG_ON(!node->count);  in shadow_lru_isolate()
345 	BUG_ON(node->count & RADIX_TREE_COUNT_MASK);  in shadow_lru_isolate()
348 		if (node->slots[i]) {  in shadow_lru_isolate()
349 			BUG_ON(!radix_tree_exceptional_entry(node->slots[i]));  in shadow_lru_isolate()
350 			node->slots[i] = NULL;  in shadow_lru_isolate()
351 			BUG_ON(node->count < (1U << RADIX_TREE_COUNT_SHIFT));  in shadow_lru_isolate()
352 			node->count -= 1U << RADIX_TREE_COUNT_SHIFT;  in shadow_lru_isolate()
357 	BUG_ON(node->count);  in shadow_lru_isolate()
358 	inc_zone_state(page_zone(virt_to_page(node)), WORKINGSET_NODERECLAIM);  in shadow_lru_isolate()
359 	if (!__radix_tree_delete_node(&mapping->page_tree, node))  in shadow_lru_isolate()