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=1794279294; b=BTmq0z8r6i3MLzdaAi6iXVCll5JxtfIEwnN7DjEDE7+5ahdugrKRhrVqMni4JgOzaBfc JWRg1+ZLac+kDkxULoW43ToQPcuuqCLr1C4R+c30M59Jd4dpKGu5D5aVA/m7ryxGc7ocN VbgggBDGU15lo0n/ljhNNfjwavZ/Szi7AveOGR2DyGwX4sbO+K36iNMwk3hEJhyWcwOYG zrZY4D9cCUBx3E/0aU16Y8N4GyOGkHlzj1PPKzXSnogotqLZnrPdostEue/K0B638QzJh PmVOE5a62YYDa5t6OmfknJbZaDaplOe/XIPNP9H8/jSvE8L8MVNnVNsI/z/dcLJ5yTQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794279294; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=jv+vF3++GwgqpQ1PH4C9bCjUHyBWz4gvH4XJmA0knyY=; b=jtik7AnCp0XIM334RuBUKQaFsv6ufRxWZdtCGhQvy4MH8dSTAIkrdqRstOnuDxmeeXpE E7rXrQMrW1a1SjszzsqT2hnol/cEf+oRupQcQBAH9vYvb6Yz/hkIUCbl8Moe/zuV0hVoi CUqBDBh6YT3BcYztZz1zLKOH7/TJIk63GnllOAPP6ySKHd7mCA5PrsBcj7oJ09kJdk4Dp WT9v2wESmIMmHpIG/9P1bJEVRbp8iPM3sAYBQiVRvNHAdN6rUfXMusPXgNzcU0e29NsCF Q+dcK4B8HSz/0avQRdM8GMNUrgENR4xLruR5qNMPYqBCrzi3ClXtBQw7lIQoVZreBkw== 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=gbKJ2Csy; 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 545DD606A337; Tue, 10 Nov 2026 02:54:54 +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=gbKJ2Csy Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C51D1F008A2; Tue, 10 Nov 2026 02:54:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794279294; bh=jv+vF3++GwgqpQ1PH4C9bCjUHyBWz4gvH4XJmA0knyY=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=gbKJ2Csy1FIT4dmShDTHmvbS1oaTqSWKenfibZkUYiNnzKxe/NCQagYP9mOWv5s6V 1DapM4PRl2C6QLbdqKa959wVFIaBJUmaS0gn+ucag68AiAkzhS3ISSk6HgroS5UC6W ND6aM3rjLSPlitySwOq0q7M+vVlwrSCPVPqKzb5SWwTTyQ4zb+GiiI1Nwx8enXlYOr SIpnPznbP/7ios88peVrsf5AbgFpu/WMQZLg8D5N8kOV262ZqWIayxcrem+7GB/rO0 gbt1959LzVM66lXb+Q3cS9BaP7y+WTpB9BtYCvHirDnm2xpKgu8ZURpqggF6mQKp8b UQ8a6LBrirM2w== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 20FCA391AFCB; Tue, 10 Nov 2026 02:54:54 +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] net: bridge: use one headroom snapshot for ND replies From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179427929267.3612825.9041747036599625059.git-patchwork-notify@kernel.org> Date: Tue, 10 Nov 2026 02:54:52 +0000 References: <20261103075439.43644-1-juny24602@gmail.com> In-Reply-To: <20261103075439.43644-1-juny24602@gmail.com> To: Jun Yang Cc: razor@blackwall.org, idosch@nvidia.com, davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, roopa@cumulusnetworks.com, bridge@lists.linux.dev, netdev@vger.kernel.org, junvyyang@tencent.com, stable@kernel.org, corvus@tencent.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Tue, 3 Nov 2026 15:54:37 +0800 you wrote: > From: Jun Yang > > br_nd_send() calls LL_RESERVED_SPACE(dev) once to size the reply skb and > again to reserve its headroom. When a port requiring more headroom is > added to the bridge, br_add_if() can increase dev->needed_headroom > between the two calls. The reserved headroom can then exceed the space > accounted for by alloc_skb(). > > [...] Here is the summary with links: - [net] net: bridge: use one headroom snapshot for ND replies https://git.kernel.org/netdev/net/c/e573df093ef8 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html