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-rw-r--r--mm/backing-dev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 09d9591b770..1706cbbdf5f 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -557,7 +557,7 @@ void clear_bdi_congested(struct backing_dev_info *bdi, int sync)
bit = sync ? BDI_sync_congested : BDI_async_congested;
if (test_and_clear_bit(bit, &bdi->state))
atomic_dec(&nr_bdi_congested[sync]);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
if (waitqueue_active(wqh))
wake_up(wqh);
}