diff options
| author | Eric Dumazet <edumazet@google.com> | 2017-05-16 14:00:03 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-17 16:06:01 -0400 |
| commit | d635fbe27ebee0f4b845abe5e9620c9400785a5c (patch) | |
| tree | 76982f9042c717aef9be65f1ede08c128a8dea09 /include/net/tcp.h | |
| parent | d011b9a448907833a19b2f0a34381419f8ca9b23 (diff) | |
| download | lwn-d635fbe27ebee0f4b845abe5e9620c9400785a5c.tar.gz lwn-d635fbe27ebee0f4b845abe5e9620c9400785a5c.zip | |
tcp: use tcp_jiffies32 to feed tp->lsndtime
Use tcp_jiffies32 instead of tcp_time_stamp to feed
tp->lsndtime.
tcp_time_stamp will soon be a litle bit more expensive
than simply reading 'jiffies'.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 4b45be570821..feba4c0406e5 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1245,7 +1245,7 @@ static inline void tcp_slow_start_after_idle_check(struct sock *sk) if (!sysctl_tcp_slow_start_after_idle || tp->packets_out || ca_ops->cong_control) return; - delta = tcp_time_stamp - tp->lsndtime; + delta = tcp_jiffies32 - tp->lsndtime; if (delta > inet_csk(sk)->icsk_rto) tcp_cwnd_restart(sk, delta); } |