netdev - Re: [PATCH net] tcp: reduce tcp_comp_sack_slack

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Message-Id: 
 <176342821343.3535669.11620353095531584631.git-patchwork-notify@kernel.org>
Date: Tue, 18 Nov 2025 01:10:13 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 ncardwell@...gle.com, kuniyu@...gle.com, netdev@...r.kernel.org,
 eric.dumazet@...il.com
Subject: Re: [PATCH net] tcp: reduce tcp_comp_sack_slack_ns default value to
 10
 usec

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 14 Nov 2025 13:51:41 +0000 you wrote:
> net.ipv4.tcp_comp_sack_slack_ns current default value is too high.
> 
> When a flow has many drops (1 % or more), and small RTT, adding 100 usec
> before sending SACK stalls the sender relying on getting SACK
> fast enough to keep the pipe busy.
> 
> Decrease the default to 10 usec.
> 
> [...]

Here is the summary with links:
  - [net] tcp: reduce tcp_comp_sack_slack_ns default value to 10 usec
    https://git.kernel.org/netdev/net-next/c/ca412f25d6b2

You are awesome, thank you!
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