diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 2a5c1a660f3b7e..98a42ddb176079 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -364,6 +364,16 @@ static int ref_wr_duration[2];
  */
 static const unsigned long max_service_from_wr = 120000;
 
+/*
+ * Maximum time between the creation of two queues, for stable merge
+ * to be activated (in ms)
+ */
+static const unsigned long bfq_activation_stable_merging = 600;
+/*
+ * Minimum time to be waited before evaluating delayed stable merge (in ms)
+ */
+static const unsigned long bfq_late_stable_merging = 600;
+
 #define RQ_BIC(rq)		icq_to_bic((rq)->elv.priv[0])
 #define RQ_BFQQ(rq)		((rq)->elv.priv[1])
 
@@ -2711,9 +2721,9 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq,
 		if (bic->stable_merge_bfqq &&
 		    !bfq_bfqq_just_created(bfqq) &&
 		    time_is_before_jiffies(bfqq->split_time +
-					  msecs_to_jiffies(200)) &&
+					  msecs_to_jiffies(bfq_late_stable_merging)) &&
 		    time_is_before_jiffies(bfqq->creation_time +
-					   msecs_to_jiffies(200))) {
+					   msecs_to_jiffies(bfq_late_stable_merging))) {
 			struct bfq_queue *stable_merge_bfqq =
 				bic->stable_merge_bfqq;
 			int proc_ref = min(bfqq_process_refs(bfqq),
@@ -5494,7 +5504,7 @@ static struct bfq_queue *bfq_do_or_sched_stable_merge(struct bfq_data *bfqd,
 	 */
 	if (!last_bfqq_created ||
 	    time_before(last_bfqq_created->creation_time +
-			bfqd->bfq_burst_interval,
+			msecs_to_jiffies(bfq_activation_stable_merging),
 			bfqq->creation_time) ||
 		bfqq->entity.parent != last_bfqq_created->entity.parent ||
 		bfqq->ioprio != last_bfqq_created->ioprio ||