From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C7F7AA40 for ; Fri, 11 Aug 2023 02:40:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 55483C433C8; Fri, 11 Aug 2023 02:40:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691721622; bh=YndZcHJCV/o6mRr0NKkn4QmiusTlRpbegp99anOFoBE=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=AQyvlO30I0XiZ267clyidO57KQbHYuTbwf6St9AIG7KnE5ceUoo8+9h1qPpOHMVeR 6ho6EQSJy47bzqUMMTh+5cfVG5mcwhuMbbVnrsZ0GoiqksqtxUvTkbDLlB2skUmusD 9fTbjpWJxPIEEgZ6RjPACGaRt2Iq3iXtxtYKd3fAkrnsSnvTn5eMjzpjXYXfDynC8y gKLsCCEtF2gXn3o4dO6N6znXQgLZE4VCqNmNntvsRWuuZgw1qUz7W9smSE8scX9tyH CEj0t7mcTFo7N7sLucMiuEMD87doi+qKrUjIO3WXWx4z9m/B2Gu2Gxjv9ruIyK8Kz8 kPDVeKftwiruw== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 36742C39562; Fri, 11 Aug 2023 02:40:22 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v4] tun: avoid high-order page allocation for packet header From: patchwork-bot+netdevbpf@kernel.org Message-Id: <169172162221.18522.12671280608585780104.git-patchwork-notify@kernel.org> Date: Fri, 11 Aug 2023 02:40:22 +0000 References: <20230809164753.2247594-1-trdgn@amazon.com> In-Reply-To: <20230809164753.2247594-1-trdgn@amazon.com> To: Tahsin Erdogan Cc: willemdebruijn.kernel@gmail.com, jasowang@redhat.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, herbert@gondor.apana.org.au, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Wed, 9 Aug 2023 09:47:52 -0700 you wrote: > When gso.hdr_len is zero and a packet is transmitted via write() or > writev(), all payload is treated as header which requires a contiguous > memory allocation. This allocation request is harder to satisfy, and may > even fail if there is enough fragmentation. > > Note that sendmsg() code path limits the linear copy length, so this change > makes write()/writev() and sendmsg() paths more consistent. > > [...] Here is the summary with links: - [v4] tun: avoid high-order page allocation for packet header https://git.kernel.org/netdev/net-next/c/6231e47b6fad You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html