diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 60f8919..b9fe697 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -461,7 +461,7 @@
 	return RTA_NEST_CANCEL(skb, opts);
 }
 
-static struct Qdisc_class_ops dsmark_class_ops = {
+static const struct Qdisc_class_ops dsmark_class_ops = {
 	.graft		=	dsmark_graft,
 	.leaf		=	dsmark_leaf,
 	.get		=	dsmark_get,
@@ -475,7 +475,7 @@
 	.dump		=	dsmark_dump_class,
 };
 
-static struct Qdisc_ops dsmark_qdisc_ops = {
+static struct Qdisc_ops dsmark_qdisc_ops __read_mostly = {
 	.next		=	NULL,
 	.cl_ops		=	&dsmark_class_ops,
 	.id		=	"dsmark",