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>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c
index 43d0ffc6d565..30bd322b7985 100644
--- a/net/ipx/af_ipx.c
+++ b/net/ipx/af_ipx.c
@@ -1958,12 +1958,12 @@ static const struct proto_ops SOCKOPS_WRAPPED(ipx_dgram_ops) = {
 
 SOCKOPS_WRAP(ipx_dgram, PF_IPX);
 
-static struct packet_type ipx_8023_packet_type = {
+static struct packet_type ipx_8023_packet_type __read_mostly = {
         .type           = cpu_to_be16(ETH_P_802_3),
         .func           = ipx_rcv,
 };
 
-static struct packet_type ipx_dix_packet_type = {
+static struct packet_type ipx_dix_packet_type __read_mostly = {
         .type           = cpu_to_be16(ETH_P_IPX),
         .func           = ipx_rcv,
 };