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authorEric Dumazet <edumazet@google.com>2017-05-16 14:00:03 -0700
committerDavid S. Miller <davem@davemloft.net>2017-05-17 16:06:01 -0400
commitd635fbe27ebee0f4b845abe5e9620c9400785a5c (patch)
tree76982f9042c717aef9be65f1ede08c128a8dea09 /include/net/tcp.h
parentd011b9a448907833a19b2f0a34381419f8ca9b23 (diff)
downloadlinux-d635fbe27ebee0f4b845abe5e9620c9400785a5c.tar.bz2
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.h2
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);
}