[NET]: Move Qdisc_class_ops and Qdisc_ops in appropriate sections.

Qdisc_class_ops are const, and Qdisc_ops are mostly read.

Using "const" and "__read_mostly" qualifiers helps to reduce false
sharing.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 0365797..bb98045 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -130,7 +130,7 @@
 	struct tcf_proto **back, **chain;
 	struct tcf_proto *tp;
 	struct tcf_proto_ops *tp_ops;
-	struct Qdisc_class_ops *cops;
+	const struct Qdisc_class_ops *cops;
 	unsigned long cl;
 	unsigned long fh;
 	int err;
@@ -382,7 +382,7 @@
 	struct tcf_proto *tp, **chain;
 	struct tcmsg *tcm = (struct tcmsg*)NLMSG_DATA(cb->nlh);
 	unsigned long cl = 0;
-	struct Qdisc_class_ops *cops;
+	const struct Qdisc_class_ops *cops;
 	struct tcf_dump_args arg;
 
 	if (cb->nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*tcm)))