[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/ipv4/netfilter/ipt_NETMAP.c b/net/ipv4/netfilter/ipt_NETMAP.c
index a902c71..0a7ce15 100644
--- a/net/ipv4/netfilter/ipt_NETMAP.c
+++ b/net/ipv4/netfilter/ipt_NETMAP.c
@@ -85,7 +85,7 @@
 	return nf_nat_setup_info(ct, &newrange, hooknum);
 }
 
-static struct xt_target target_module = {
+static struct xt_target target_module __read_mostly = {
 	.name 		= MODULENAME,
 	.family		= AF_INET,
 	.target 	= target,