From: patchwork-bot+netdevbpf@kernel.org
To: Eric Dumazet <edumazet@kernel.org>
Cc: kuba@kernel.org, pabeni@redhat.com, davem@davemloft.net,
netdev@vger.kernel.org, horms@kernel.org, ncardwell@google.com,
kuniyu@google.com, willemb@google.com, mason@kernel.org
Subject: Re: [PATCH net] tcp: rate limit receive queue collapsing
Date: Mon, 09 Nov 2026 23:00:12 +0000 [thread overview]
Message-ID: <179426521242.3532311.12175474305421546096.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261105124043.1543405-1-edumazet@kernel.org>
Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 5 Nov 2026 13:40:43 +0100 you wrote:
> When a socket is over its receive buffer limit and its sk_rcvbuf can
> not grow, every incoming segment that needs memory goes through
> tcp_prune_queue(), which runs tcp_collapse_ofo_queue() and tcp_collapse()
> on the receive queue. Both walk their whole queue, even when there is
> nothing left to collapse.
>
> A peer can trigger this walk per packet, without refilling memory:
>
> [...]
Here is the summary with links:
- [net] tcp: rate limit receive queue collapsing
https://git.kernel.org/netdev/net/c/c2213d9b61c1
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2026-11-09 23:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-05 12:40 [PATCH net] tcp: rate limit receive queue collapsing Eric Dumazet
2026-11-05 12:44 ` netdev-bot+sinfo
2026-11-05 15:07 ` Willem de Bruijn
2026-11-05 20:12 ` Kuniyuki Iwashima
2026-11-05 21:57 ` Neal Cardwell
2026-11-09 23:00 ` patchwork-bot+netdevbpf [this message]
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