2 files changed, 6 insertions, 3 deletions

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 471fdcc5df85..b0592bca6970 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -385,7 +385,9 @@ void blkiocg_update_timeslice_used(struct blkio_group *blkg, unsigned long time,
 
         spin_lock_irqsave(&blkg->stats_lock, flags);
         blkg->stats.time += time;
+#ifdef CONFIG_DEBUG_BLK_CGROUP
         blkg->stats.unaccounted_time += unaccounted_time;
+#endif
         spin_unlock_irqrestore(&blkg->stats_lock, flags);
 }
 EXPORT_SYMBOL_GPL(blkiocg_update_timeslice_used);
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index c774930cc206..63f1ef4450d7 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -49,9 +49,9 @@ enum stat_type {
         /* All the single valued stats go below this */
         BLKIO_STAT_TIME,
         BLKIO_STAT_SECTORS,
+#ifdef CONFIG_DEBUG_BLK_CGROUP
         /* Time not charged to this cgroup */
         BLKIO_STAT_UNACCOUNTED_TIME,
-#ifdef CONFIG_DEBUG_BLK_CGROUP
         BLKIO_STAT_AVG_QUEUE_SIZE,
         BLKIO_STAT_IDLE_TIME,
         BLKIO_STAT_EMPTY_TIME,
@@ -117,10 +117,11 @@ struct blkio_group_stats {
         /* total disk time and nr sectors dispatched by this group */
         uint64_t time;
         uint64_t sectors;
-        /* Time not charged to this cgroup */
-        uint64_t unaccounted_time;
         uint64_t stat_arr[BLKIO_STAT_QUEUED + 1][BLKIO_STAT_TOTAL];
 #ifdef CONFIG_DEBUG_BLK_CGROUP
+        /* Time not charged to this cgroup */
+        uint64_t unaccounted_time;
+
         /* Sum of number of IOs queued across all samples */
         uint64_t avg_queue_size_sum;
         /* Count of samples taken for average */