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tcp: use tcp_jiffies32 to feed tp->snd_cwnd_stamp

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Use tcp_jiffies32 instead of tcp_time_stamp to feed
tp->snd_cwnd_stamp.

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>
This commit is contained in:
Eric Dumazet 2017-05-16 14:00:04 -07:00 • committed by David S. Miller
parent d635fbe27e
commit c2203cf75e
3 changed files with 12 additions and 12 deletions
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2
net/ipv4/tcp_metrics.c
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@ -524,7 +524,7 @@ reset:
tp->snd_cwnd = 1;
else
tp->snd_cwnd = tcp_init_cwnd(tp, dst);
tp->snd_cwnd_stamp = tcp_time_stamp;
tp->snd_cwnd_stamp = tcp_jiffies32;
}
bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst)