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/dsa/tag_dsa.c b/net/dsa/tag_dsa.c
index 63e532a..0b8a91d 100644
--- a/net/dsa/tag_dsa.c
+++ b/net/dsa/tag_dsa.c
@@ -175,7 +175,7 @@
return 0;
}
-static struct packet_type dsa_packet_type = {
+static struct packet_type dsa_packet_type __read_mostly = {
.type = cpu_to_be16(ETH_P_DSA),
.func = dsa_rcv,
};