From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794265214; b=CL9cX8tv+Ww7BvbwU/GRs4bELnsfT+dqGkH+xnRKnLVESZlYTuC/h1kTYgLEUsGmYJJf sYIw5gqhjbkCnYAkRJqEA2AzRCDdT2NFagpNyZmhGinQ5zVk4e6Mt0PoBm2oADsEDpPOB yt6N0C98ylByODq1MKbPh+q+MJReallavnCLQ6X6QEpraZwIqRDiOEGQGnR1lELkyBAIL xZKU/u0LzuDCAqhcC5tUZ7yxh1V+uWBpfzBhVrex2iNN3an/4XtjTttyKVt4f/T0RbRGS tFkOKm6p8SPgHw+zJ1ngghcX4dLIgkCzB0bGGcIzGsDsDkgCX6G6ZA+J6fCm6kMbfwg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794265214; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=20ddS1lUPXY6gGPLXPBCRXNkLPEvJTmKmOT4cVSb0SQ=; b=LPlZIAa4TWUoykLRpOGzbpUzsqpA71C8hPQ0FoqR2C7gtS1f+QHm4IA3HeQh4NY5aKE7 gdsLdNeUxBftk11Pz/Xh9HXOnjvp1jUpXrutNRP1xIr1C5OO+1u+OOEzQsQanLXoo478C WnLquHoHf15wEkKa90uOxfIBlcOL43yhdVFfRqBKHMGpZEgLeK3zkDNMzGa0U7cqbq3Kb wWg0KnHOr+VwEJWekOa9yv/NeRyKTdx6tAXVkQHfTHzpnk/qHoyo121qPTbbS2OZya1v2 tOAPddRmiLo7UDIA9iP7eHIirwr1KlSfHcKwr9BcgdeuM+T86ilj9EtoJFkJ2DgAqlA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Pl8R5uEp; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A562606A32A for ; Mon, 9 Nov 2026 23:00:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=Pl8R5uEp Received: by smtp.kernel.org (Postfix) with ESMTPSA id E333E1F008A1; Mon, 9 Nov 2026 23:00:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794265213; bh=20ddS1lUPXY6gGPLXPBCRXNkLPEvJTmKmOT4cVSb0SQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=Pl8R5uEpXMmuR+q2EUl3K+ZdpbaFnLGaD35DGzX7P3FXFwRCrLhTXLlJ7O/m864C4 UnwJQtXePDDnuWm6N64x1Iqw73Qe/Bv5QJla7sSygV5i/VC5xjHgJIlqIEDBQ4yI5M 5p8NVnAss4c1z2/o9W0p9iGmdcm642NmoBEgWDgR8mrGxkmyLSGgfCJxHixMGmMiGW PKnX5NTGC5QHOdnJpztDDAzslVpOwIoMElleWHoy3heCGHZqXSdo+YZzUscFe5gMLo 2BRm1OAU6QPGPJdERG5PGqzMGYHUizeg0/NvQ1QPTMifZGepcR5qnZxth3SLhHhZvk +G1ohHbV8ivgA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D82D3391AF99; Mon, 9 Nov 2026 23:00:13 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] tcp: rate limit receive queue collapsing From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179426521242.3532311.12175474305421546096.git-patchwork-notify@kernel.org> Date: Mon, 09 Nov 2026 23:00:12 +0000 References: <20261105124043.1543405-1-edumazet@kernel.org> In-Reply-To: <20261105124043.1543405-1-edumazet@kernel.org> To: Eric Dumazet 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 Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : 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. https://korg.docs.kernel.org/patchwork/pwbot.html