static DEFINE_RWLOCK(nf_nat_lock);
-static struct nf_conntrack_l3proto *l3proto = NULL;
+static struct nf_conntrack_l3proto *l3proto __read_mostly;
/* Calculated at init based on memory size */
-static unsigned int nf_nat_htable_size;
+static unsigned int nf_nat_htable_size __read_mostly;
static int nf_nat_vmalloced;
-static struct hlist_head *bysource;
+static struct hlist_head *bysource __read_mostly;
#define MAX_IP_NAT_PROTO 256
-static const struct nf_nat_protocol *nf_nat_protos[MAX_IP_NAT_PROTO];
+static const struct nf_nat_protocol *nf_nat_protos[MAX_IP_NAT_PROTO]
+ __read_mostly;
static inline const struct nf_nat_protocol *
__nf_nat_proto_find(u_int8_t protonum)