diff options
| author | Eric Dumazet <edumazet@google.com> | 2017-10-27 07:47:22 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-28 19:24:38 +0900 |
| commit | 4540c0cf98b8892a642d2453eec20ae3eb5696fb (patch) | |
| tree | d793e62f62c382f50f4cd7f65fe4a8005a1e725f /net/ipv4/tcp_input.c | |
| parent | ec36e416f06f6a8659281053fdc46ce484ad2211 (diff) | |
| download | lwn-4540c0cf98b8892a642d2453eec20ae3eb5696fb.tar.gz lwn-4540c0cf98b8892a642d2453eec20ae3eb5696fb.zip | |
tcp: Namespace-ify sysctl_tcp_moderate_rcvbuf
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 90d76f1c8f96..ce481325115f 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -84,7 +84,6 @@ int sysctl_tcp_challenge_ack_limit = 1000; int sysctl_tcp_max_orphans __read_mostly = NR_FILE; int sysctl_tcp_min_rtt_wlen __read_mostly = 300; -int sysctl_tcp_moderate_rcvbuf __read_mostly = 1; int sysctl_tcp_invalid_ratelimit __read_mostly = HZ/2; #define FLAG_DATA 0x01 /* Incoming frame contained data. */ @@ -411,7 +410,7 @@ static void tcp_fixup_rcvbuf(struct sock *sk) /* Dynamic Right Sizing (DRS) has 2 to 3 RTT latency * Allow enough cushion so that sender is not limited by our window */ - if (sysctl_tcp_moderate_rcvbuf) + if (sock_net(sk)->ipv4.sysctl_tcp_moderate_rcvbuf) rcvmem <<= 2; if (sk->sk_rcvbuf < rcvmem) @@ -602,7 +601,7 @@ void tcp_rcv_space_adjust(struct sock *sk) * <prev RTT . ><current RTT .. ><next RTT .... > */ - if (sysctl_tcp_moderate_rcvbuf && + if (sock_net(sk)->ipv4.sysctl_tcp_moderate_rcvbuf && !(sk->sk_userlocks & SOCK_RCVBUF_LOCK)) { int rcvwin, rcvmem, rcvbuf; |