1 files changed, 4 insertions, 1 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 24659ed06bae..4f3c1b2f44de 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -605,9 +605,12 @@ static inline struct address_space *page_mapping(struct page *page)
         struct address_space *mapping = page->mapping;
 
         VM_BUG_ON(PageSlab(page));
+#ifdef CONFIG_SWAP
         if (unlikely(PageSwapCache(page)))
                 mapping = &swapper_space;
-        else if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON))
+        else
+#endif
+        if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON))
                 mapping = NULL;
         return mapping;
 }