1 files changed, 1 insertions, 1 deletions

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index f0468e252ee4..51e06ea06a2e 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1803,7 +1803,7 @@ static u64 cfqg_prfill_avg_queue_size(struct seq_file *sf,
 
         if (samples) {
                 v = blkg_stat_read(&cfqg->stats.avg_queue_size_sum);
-                do_div(v, samples);
+                v = div64_u64(v, samples);
         }
         __blkg_prfill_u64(sf, pd, v);
         return 0;