From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DD85C76195 for ; Wed, 22 Mar 2023 14:42:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231714AbjCVOmH (ORCPT ); Wed, 22 Mar 2023 10:42:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231716AbjCVOlt (ORCPT ); Wed, 22 Mar 2023 10:41:49 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E345664E8; Wed, 22 Mar 2023 07:41:15 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id F3CC6CE1DC6; Wed, 22 Mar 2023 14:40:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 066DDC433EF; Wed, 22 Mar 2023 14:40:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679496029; bh=bIHOw1f+pQw6OcOxZqQmBQFwstyNxXQuPXOXY7Oxae4=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=EnHxDtGP8WHoD8sRxvKlQ7DpirwpCE/ryDAG2U5jQGbxuo7lqVW3/Awgx2JR52wa8 YAFDylZHPOCyYVF1R4FAdezajtFN4cXgDFPqxZ5cfBmRzEOpIXiSMH1PMkCgGtqKWx 45WtBsUodh3GZKoopx/PKc/5QnwpbVEK7C35LEu8ZFvrMy8uVkMyXo/j/dhQmnkAPK Tqy0ntXH6UOiOWSb0OQJME5+ega75UkNnh+WvSrfeT7f0flvLnllDOD/kIn+yAQ7WO hQ5FreT7f9Aczl7zCbF0wiqIrfIVX/T6vteIYUm3h1jCUQaYvZCCeYDSKGXMeIDF7q +lVR5E8bt6ddg== 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 DC1CEE66C90; Wed, 22 Mar 2023 14:40:28 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next 1/2] net-zerocopy: Reduce compound page head access From: patchwork-bot+netdevbpf@kernel.org Message-Id: <167949602889.14303.13192517538159198890.git-patchwork-notify@kernel.org> Date: Wed, 22 Mar 2023 14:40:28 +0000 References: <20230321081202.2370275-1-lixiaoyan@google.com> In-Reply-To: <20230321081202.2370275-1-lixiaoyan@google.com> To: Coco Li Cc: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, shuah@kernel.org, asml.silence@gmail.com, shakeelb@google.com, socketcan@hartkopp.net, viro@zeniv.linux.org.uk, netdev@vger.kernel.org, inux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Hello: This series was applied to netdev/net-next.git (main) by Paolo Abeni : On Tue, 21 Mar 2023 16:12:01 +0800 you wrote: > From: Xiaoyan Li > > When compound pages are enabled, although the mm layer still > returns an array of page pointers, a subset (or all) of them > may have the same page head since a max 180kb skb can span 2 > hugepages if it is on the boundary, be a mix of pages and 1 hugepage, > or fit completely in a hugepage. Instead of referencing page head > on all page pointers, use page length arithmetic to only call page > head when referencing a known different page head to avoid touching > a cold cacheline. > > [...] Here is the summary with links: - [net-next,1/2] net-zerocopy: Reduce compound page head access https://git.kernel.org/netdev/net-next/c/593ef60c7445 - [net-next,2/2] selftests/net: Add SHA256 computation over data sent in tcp_mmap https://git.kernel.org/netdev/net-next/c/5c5945dc695c You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html