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-rw-r--r--include/linux/mm.h1
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
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