net: convert usage of packet_type to read_mostly
Protocols that use packet_type can be __read_mostly section for better
locality. Elminate any unnecessary initializations of NULL.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 8f76f40..1000e9a 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1608,7 +1608,7 @@
SOCKOPS_WRAP(x25_proto, AF_X25);
-static struct packet_type x25_packet_type = {
+static struct packet_type x25_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_X25),
.func = x25_lapb_receive_frame,
};