1 files changed, 3 insertions, 2 deletions

diff --git a/arch/powerpc/mm/gup.c b/arch/powerpc/mm/gup.c
index fec13200868f..b9e1c7ff5f6d 100644
--- a/arch/powerpc/mm/gup.c
+++ b/arch/powerpc/mm/gup.c
@@ -22,8 +22,9 @@ static inline void get_huge_page_tail(struct page *page)
          * __split_huge_page_refcount() cannot run
          * from under us.
          */
-        VM_BUG_ON(atomic_read(&page->_count) < 0);
-        atomic_inc(&page->_count);
+        VM_BUG_ON(page_mapcount(page) < 0);
+        VM_BUG_ON(atomic_read(&page->_count) != 0);
+        atomic_inc(&page->_mapcount);
 }
 
 /*