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tcp: mark tcp_process_tlp_ack() as unlikely

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It is unlikely we have to call tcp_process_tlp_ack().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260127032147.3498272-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2026-01-27 03:21:45 +00:00 committed by Jakub Kicinski
parent 239f09e258
commit 773a700213
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/tcp_input.c
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@ -4283,7 +4283,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
tcp_in_ack_event(sk, flag);
if (tp->tlp_high_seq)
if (unlikely(tp->tlp_high_seq))
tcp_process_tlp_ack(sk, ack, flag);
if (tcp_ack_is_dubious(sk, flag)) {
@ -4333,7 +4333,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
*/
tcp_ack_probe(sk);
if (tp->tlp_high_seq)
if (unlikely(tp->tlp_high_seq))
tcp_process_tlp_ack(sk, ack, flag);
return 1;