1 files changed, 3 insertions, 2 deletions

diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c
index dbe34b931374..3b5032a62b0f 100644
--- a/arch/x86/mm/gup.c
+++ b/arch/x86/mm/gup.c
@@ -114,8 +114,9 @@ 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);
 }
 
 static noinline int gup_huge_pmd(pmd_t pmd, unsigned long addr,