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tcp: Remove one extra ktime_get_ns() from cookie_init_timestamp

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tcp_make_synack() already uses tcp_clock_ns(), and can pass
the value to cookie_init_timestamp() to avoid another call
to ktime_get_ns() helper.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2019-11-07 11:51:18 -08:00 • committed by David S. Miller
parent 2386d74845
commit 200ecef67b
3 changed files with 12 additions and 6 deletions
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2
net/ipv4/tcp_output.c
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@ -3290,7 +3290,7 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst,
now = tcp_clock_ns();
#ifdef CONFIG_SYN_COOKIES
if (unlikely(req->cookie_ts))
skb->skb_mstamp_ns = cookie_init_timestamp(req);
skb->skb_mstamp_ns = cookie_init_timestamp(req, now);
else
#endif
{