1 files changed, 1 insertions, 1 deletions

diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index f4259e496f83..32bc9f2ff7eb 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -275,7 +275,7 @@ static int do_mmu_notifier_register(struct mmu_notifier *mn,
                 mm->mmu_notifier_mm = mmu_notifier_mm;
                 mmu_notifier_mm = NULL;
         }
-        atomic_inc(&mm->mm_count);
+        mmgrab(mm);
 
         /*
          * Serialize the update against mmu_notifier_unregister. A