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-rw-r--r--include/linux/sched.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 785ec8465bd..cfb680585ab 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1514,7 +1514,7 @@ extern struct mm_struct * mm_alloc(void);
extern void FASTCALL(__mmdrop(struct mm_struct *));
static inline void mmdrop(struct mm_struct * mm)
{
- if (atomic_dec_and_test(&mm->mm_count))
+ if (unlikely(atomic_dec_and_test(&mm->mm_count)))
__mmdrop(mm);
}