tcp: mark tcp_congestion_ops read_mostly

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_lp.c b/net/ipv4/tcp_lp.c
index de87037..656d431 100644
--- a/net/ipv4/tcp_lp.c
+++ b/net/ipv4/tcp_lp.c
@@ -313,7 +313,7 @@
 	lp->last_drop = tcp_time_stamp;
 }
 
-static struct tcp_congestion_ops tcp_lp = {
+static struct tcp_congestion_ops tcp_lp __read_mostly = {
 	.flags = TCP_CONG_RTT_STAMP,
 	.init = tcp_lp_init,
 	.ssthresh = tcp_reno_ssthresh,