[NETFILTER]: x_tables: mark matches and targets __read_mostly

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/xt_dscp.c b/net/netfilter/xt_dscp.c
index 35cabca..dde6d66 100644
--- a/net/netfilter/xt_dscp.c
+++ b/net/netfilter/xt_dscp.c
@@ -68,7 +68,7 @@
 	return true;
 }
 
-static struct xt_match xt_dscp_match[] = {
+static struct xt_match xt_dscp_match[] __read_mostly = {
 	{
 		.name		= "dscp",
 		.family		= AF_INET,