diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h
index 49cc68a..8ac854f 100644
--- a/include/linux/mm_inline.h
+++ b/include/linux/mm_inline.h
@@ -39,24 +39,3 @@
 	}
 }
 
-/*
- * Isolate one page from the LRU lists.
- *
- * - zone->lru_lock must be held
- */
-static inline int __isolate_lru_page(struct page *page)
-{
-	if (unlikely(!TestClearPageLRU(page)))
-		return 0;
-
-	if (get_page_testone(page)) {
-		/*
-		 * It is being freed elsewhere
-		 */
-		__put_page(page);
-		SetPageLRU(page);
-		return -ENOENT;
-	}
-
-	return 1;
-}
diff --git a/include/linux/swap.h b/include/linux/swap.h
index e92054d..d01f7ef 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -167,6 +167,7 @@
 extern void FASTCALL(activate_page(struct page *));
 extern void FASTCALL(mark_page_accessed(struct page *));
 extern void lru_add_drain(void);
+extern int lru_add_drain_all(void);
 extern int rotate_reclaimable_page(struct page *page);
 extern void swap_setup(void);