1 files changed, 1 insertions, 1 deletions

diff --git a/mm/mmu_context.c b/mm/mmu_context.c
index 6f4d27c5bb32..daf67bb02b4a 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -25,7 +25,7 @@ void use_mm(struct mm_struct *mm)
         task_lock(tsk);
         active_mm = tsk->active_mm;
         if (active_mm != mm) {
-                atomic_inc(&mm->mm_count);
+                mmgrab(mm);
                 tsk->active_mm = mm;
         }
         tsk->mm = mm;