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-rw-r--r--mm/huge_memory.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index f952f055fdcf..370d44a5e25b 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1805,7 +1805,7 @@ static void __split_huge_page_refcount(struct page *page,
*/
page_tail->_mapcount = page->_mapcount;
- BUG_ON(page_tail->mapping);
+ BUG_ON(page_tail->mapping != TAIL_MAPPING);
page_tail->mapping = page->mapping;
page_tail->index = page->index + i;