1 files changed, 1 insertions, 1 deletions

diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index 21004aaac69b..bc2b60dcb178 100644
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -73,7 +73,7 @@ void cpu_init(void)
         get_cpu_id(id);
         if (machine_has_cpu_mhz)
                 update_cpu_mhz(NULL);
-        atomic_inc(&init_mm.mm_count);
+        mmgrab(&init_mm);
         current->active_mm = &init_mm;
         BUG_ON(current->mm);
         enter_lazy_tlb(&init_mm, current);