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-rw-r--r--arch/blackfin/mach-common/smp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index 23c4ef5f8bdc..bc5617ef7128 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -308,7 +308,7 @@ void secondary_start_kernel(void)
/* Attach the new idle task to the global mm. */
atomic_inc(&mm->mm_users);
- atomic_inc(&mm->mm_count);
+ mmgrab(mm);
current->active_mm = mm;
preempt_disable();