1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/exit.c b/kernel/exit.c
index 90b09ca35c84..8a768a3672a5 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -539,7 +539,7 @@ static void exit_mm(void)
                 __set_current_state(TASK_RUNNING);
                 down_read(&mm->mmap_sem);
         }
-        atomic_inc(&mm->mm_count);
+        mmgrab(mm);
         BUG_ON(mm != current->active_mm);
         /* more a memory barrier than a real lock */
         task_lock(current);