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authorStanislav Fomichev <stfomichev@yandex-team.ru>2014-02-12 17:35:21 +0400
committerDavid S. Miller <davem@davemloft.net>2014-02-14 03:22:34 +0400
commit45f7435968363816f8fc4c6abef692808534140d (patch)
treea4fa1938204a2967ceb54141927da8f8c57ff214 /net/ipv4/tcp_cong.c
parentf93f160b5a3546b6d3143894f63a326442071e48 (diff)
downloadlinux-45f7435968363816f8fc4c6abef692808534140d.tar.xz
tcp: remove unused min_cwnd member of tcp_congestion_ops
Commit 684bad110757 "tcp: use PRR to reduce cwin in CWR state" removed all calls to min_cwnd, so we can safely remove it. Also, remove tcp_reno_min_cwnd because it was only used for min_cwnd. Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_cong.c')
-rw-r--r--net/ipv4/tcp_cong.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index ad37bf18ae4b..f49351edf97d 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -362,21 +362,12 @@ u32 tcp_reno_ssthresh(struct sock *sk)
}
EXPORT_SYMBOL_GPL(tcp_reno_ssthresh);
-/* Lower bound on congestion window with halving. */
-u32 tcp_reno_min_cwnd(const struct sock *sk)
-{
- const struct tcp_sock *tp = tcp_sk(sk);
- return tp->snd_ssthresh/2;
-}
-EXPORT_SYMBOL_GPL(tcp_reno_min_cwnd);
-
struct tcp_congestion_ops tcp_reno = {
.flags = TCP_CONG_NON_RESTRICTED,
.name = "reno",
.owner = THIS_MODULE,
.ssthresh = tcp_reno_ssthresh,
.cong_avoid = tcp_reno_cong_avoid,
- .min_cwnd = tcp_reno_min_cwnd,
};
/* Initial congestion control used (until SYN)
@@ -388,6 +379,5 @@ struct tcp_congestion_ops tcp_init_congestion_ops = {
.owner = THIS_MODULE,
.ssthresh = tcp_reno_ssthresh,
.cong_avoid = tcp_reno_cong_avoid,
- .min_cwnd = tcp_reno_min_cwnd,
};
EXPORT_SYMBOL_GPL(tcp_init_congestion_ops);