1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 4c482a3ee870..a5c451816fdc 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -599,6 +599,7 @@ static inline struct address_space *page_mapping(struct page *page)
 {
         struct address_space *mapping = page->mapping;
 
+        VM_BUG_ON(PageSlab(page));
         if (unlikely(PageSwapCache(page)))
                 mapping = &swapper_space;
 #ifdef CONFIG_SLUB