1 files changed, 23 insertions, 0 deletions
diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c
index a00b1ba3dd5b..8b78b6320cda 100644
--- a/kernel/sched/pelt.c
+++ b/kernel/sched/pelt.c
@@ -334,3 +334,26 @@ int update_rt_rq_load_avg(u64 now, struct rq *rq, int running)
 
 	return 0;
 }
+
+/*
+ * dl_rq:
+ *
+ *   util_sum = \Sum se->avg.util_sum but se->avg.util_sum is not tracked
+ *   util_sum = cpu_scale * load_sum
+ *   runnable_load_sum = load_sum
+ *
+ */
+
+int update_dl_rq_load_avg(u64 now, struct rq *rq, int running)
+{
+	if (___update_load_sum(now, rq->cpu, &rq->avg_dl,
+				running,
+				running,
+				running)) {
+
+		___update_load_avg(&rq->avg_dl, 1, 1);
+		return 1;
+	}
+
+	return 0;
+}