[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/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 650ab52..2ba5bd9 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -2264,7 +2264,7 @@
 }
 
 /* The built-in targets: standard (NULL) and error. */
-static struct xt_target ipt_standard_target = {
+static struct xt_target ipt_standard_target __read_mostly = {
 	.name		= IPT_STANDARD_TARGET,
 	.targetsize	= sizeof(int),
 	.family		= AF_INET,
@@ -2275,7 +2275,7 @@
 #endif
 };
 
-static struct xt_target ipt_error_target = {
+static struct xt_target ipt_error_target __read_mostly = {
 	.name		= IPT_ERROR_TARGET,
 	.target		= ipt_error,
 	.targetsize	= IPT_FUNCTION_MAXNAMELEN,
@@ -2298,7 +2298,7 @@
 #endif
 };
 
-static struct xt_match icmp_matchstruct = {
+static struct xt_match icmp_matchstruct __read_mostly = {
 	.name		= "icmp",
 	.match		= icmp_match,
 	.matchsize	= sizeof(struct ipt_icmp),