tcp: mark tcp_congestion_ops read_mostly

Signed-off-by: Stephen Hemminger <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

net/ipv4/tcp_bic.c

@@ -209,7 +209,7 @@ static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt)
 }
 
 
-static struct tcp_congestion_ops bictcp = {
+static struct tcp_congestion_ops bictcp __read_mostly = {
 	.init		= bictcp_init,
 	.ssthresh	= bictcp_recalc_ssthresh,
 	.cong_avoid	= bictcp_cong_avoid,

net/ipv4/tcp_cubic.c

@@ -405,7 +405,7 @@ static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt_us)
 		hystart_update(sk, delay);
 }
 
-static struct tcp_congestion_ops cubictcp = {
+static struct tcp_congestion_ops cubictcp __read_mostly = {
 	.init		= bictcp_init,
 	.ssthresh	= bictcp_recalc_ssthresh,
 	.cong_avoid	= bictcp_cong_avoid,

net/ipv4/tcp_highspeed.c

@@ -158,7 +158,7 @@ static u32 hstcp_ssthresh(struct sock *sk)
 }
 
 
-static struct tcp_congestion_ops tcp_highspeed = {
+static struct tcp_congestion_ops tcp_highspeed __read_mostly = {
 	.init		= hstcp_init,
 	.ssthresh	= hstcp_ssthresh,
 	.cong_avoid	= hstcp_cong_avoid,

net/ipv4/tcp_htcp.c

@@ -284,7 +284,7 @@ static void htcp_state(struct sock *sk, u8 new_state)
 	}
 }
 
-static struct tcp_congestion_ops htcp = {
+static struct tcp_congestion_ops htcp __read_mostly = {
 	.init		= htcp_init,
 	.ssthresh	= htcp_recalc_ssthresh,
 	.cong_avoid	= htcp_cong_avoid,

net/ipv4/tcp_hybla.c

@@ -162,7 +162,7 @@ static void hybla_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 	tp->snd_cwnd = min_t(u32, tp->snd_cwnd, tp->snd_cwnd_clamp);
 }
 
-static struct tcp_congestion_ops tcp_hybla = {
+static struct tcp_congestion_ops tcp_hybla __read_mostly = {
 	.init		= hybla_init,
 	.ssthresh	= tcp_reno_ssthresh,
 	.min_cwnd	= tcp_reno_min_cwnd,

net/ipv4/tcp_illinois.c

@@ -322,7 +322,7 @@ static void tcp_illinois_info(struct sock *sk, u32 ext,
 	}
 }
 
-static struct tcp_congestion_ops tcp_illinois = {
+static struct tcp_congestion_ops tcp_illinois __read_mostly = {
 	.flags		= TCP_CONG_RTT_STAMP,
 	.init		= tcp_illinois_init,
 	.ssthresh	= tcp_illinois_ssthresh,

net/ipv4/tcp_lp.c

@@ -313,7 +313,7 @@ static void tcp_lp_pkts_acked(struct sock *sk, u32 num_acked, s32 rtt_us)
 	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,

net/ipv4/tcp_scalable.c

@@ -35,7 +35,7 @@ static u32 tcp_scalable_ssthresh(struct sock *sk)
 }
 
 
-static struct tcp_congestion_ops tcp_scalable = {
+static struct tcp_congestion_ops tcp_scalable __read_mostly = {
 	.ssthresh	= tcp_scalable_ssthresh,
 	.cong_avoid	= tcp_scalable_cong_avoid,
 	.min_cwnd	= tcp_reno_min_cwnd,

net/ipv4/tcp_vegas.c

@@ -304,7 +304,7 @@ void tcp_vegas_get_info(struct sock *sk, u32 ext, struct sk_buff *skb)
 }
 EXPORT_SYMBOL_GPL(tcp_vegas_get_info);
 
-static struct tcp_congestion_ops tcp_vegas = {
+static struct tcp_congestion_ops tcp_vegas __read_mostly = {
 	.flags		= TCP_CONG_RTT_STAMP,
 	.init		= tcp_vegas_init,
 	.ssthresh	= tcp_reno_ssthresh,

net/ipv4/tcp_veno.c

@@ -201,7 +201,7 @@ static u32 tcp_veno_ssthresh(struct sock *sk)
 		return max(tp->snd_cwnd >> 1U, 2U);
 }
 
-static struct tcp_congestion_ops tcp_veno = {
+static struct tcp_congestion_ops tcp_veno __read_mostly = {
 	.flags		= TCP_CONG_RTT_STAMP,
 	.init		= tcp_veno_init,
 	.ssthresh	= tcp_veno_ssthresh,

net/ipv4/tcp_westwood.c

@@ -272,7 +272,7 @@ static void tcp_westwood_info(struct sock *sk, u32 ext,
 }
 
 
-static struct tcp_congestion_ops tcp_westwood = {
+static struct tcp_congestion_ops tcp_westwood __read_mostly = {
 	.init		= tcp_westwood_init,
 	.ssthresh	= tcp_reno_ssthresh,
 	.cong_avoid	= tcp_reno_cong_avoid,

net/ipv4/tcp_yeah.c

@@ -225,7 +225,7 @@ static u32 tcp_yeah_ssthresh(struct sock *sk) {
 	return tp->snd_cwnd - reduction;
 }
 
-static struct tcp_congestion_ops tcp_yeah = {
+static struct tcp_congestion_ops tcp_yeah __read_mostly = {
 	.flags		= TCP_CONG_RTT_STAMP,
 	.init		= tcp_yeah_init,
 	.ssthresh	= tcp_yeah_ssthresh,