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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D09B8C433ED for ; Fri, 2 Apr 2021 20:22:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 854FF61154 for ; Fri, 2 Apr 2021 20:22:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236559AbhDBUWI (ORCPT ); Fri, 2 Apr 2021 16:22:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229647AbhDBUWH (ORCPT ); Fri, 2 Apr 2021 16:22:07 -0400 Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3CB0C0613E6 for ; Fri, 2 Apr 2021 13:22:04 -0700 (PDT) Received: by mail-pj1-x1029.google.com with SMTP id x21-20020a17090a5315b029012c4a622e4aso3036144pjh.2 for ; Fri, 02 Apr 2021 13:22:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=nVqsmwMPkzC42KyAwGO+gYq2EHIzl8y3FoVHaXaAwNk=; b=BrHqgOxPo6gajZsdlCYqhbMzWVYMvrTeYOajQBC7c/3zhi3McG7SQnR4Tv1Oad8gjm I9HJzz7OdQMRD9XQz34iMgdGrKyF8WZZPB0GApnBxw5erTVcohwvZcFT28gwSj3WY8fY LBeGtd+E1FlY9XO6+91Q2dGExO2FKzTMQf+Qq6vaiVQVzL/zwk0/qZSt9tMKMoUHo2+C ORKL3azvlm3leTpyi2+BKTEWfelui1nr+Cm+uelRjimoh0iRPtRPPKOujudlfDxFl8Bk /oM8DvKO1OU2GieDIgG/JI4NWEcqOMbDAMDsnmngH+dtyA95xfwpVp5OSqAXwtCVwG5C z3uw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=nVqsmwMPkzC42KyAwGO+gYq2EHIzl8y3FoVHaXaAwNk=; b=C76PKb5EvZtyoMQDuvxfNLY3ijVYIFV47/SF/kg8s18MtKVbvPsOcchem3QkncyxdN HOQB4t+e8we6VyiU9ufUN6AT/5LfK4rMzj2n1+9LmRu6T0JFxF4bOqbupaofnkl2S5S7 Cw0lbB0UIWaz0iYWaqLlZ0LSs5RxPe/KQuIxphfQk7qnnSoaEtLhDVRAuT7jEtIqWNrd fhGFXKBnaAbTkc5fbjSUfzTyDp2QnOpZkO63MmumKpIZ36F0sdhcz2Oak9fOjCKY03oS TWx4HgAn8TSJF0ivu/hlck1uspcKSKoLTsXo7j/xql/6Nu4GIrTOM8BG1rgQzoU85ZSj tOUw== X-Gm-Message-State: AOAM531l+rS/HW/a/xIY6IrTKae4eonc0bPyLJW2i5cJRouJ6yWAYWxP OWNVaIVe/vPZws3X/IJylgzGzw== X-Google-Smtp-Source: ABdhPJwzCIM6OZHQNyn4Qm+ZQvJbXm43WxQCfld3OizqI4Hu3mEZVBeA9TCz556q3Q5qBwNN0Vwj6A== X-Received: by 2002:a17:90a:a403:: with SMTP id y3mr15316933pjp.227.1617394924285; Fri, 02 Apr 2021 13:22:04 -0700 (PDT) Received: from hermes.local (76-14-218-44.or.wavecable.com. [76.14.218.44]) by smtp.gmail.com with ESMTPSA id j21sm8048377pfc.114.2021.04.02.13.22.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Apr 2021 13:22:03 -0700 (PDT) Date: Fri, 2 Apr 2021 13:21:55 -0700 From: Stephen Hemminger To: Eric Dumazet Cc: "David S . Miller" , Jakub Kicinski , netdev , Eric Dumazet Subject: Re: [PATCH net-next] tcp: reorder tcp_congestion_ops for better cache locality Message-ID: <20210402132155.5cb367e4@hermes.local> In-Reply-To: <20210402181037.19736-1-eric.dumazet@gmail.com> References: <20210402181037.19736-1-eric.dumazet@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, 2 Apr 2021 11:10:37 -0700 Eric Dumazet wrote: > From: Eric Dumazet > > Group all the often used fields in the first cache line, > to reduce cache line misses. > > Signed-off-by: Eric Dumazet Makes sense. Acked-by: Stephen Hemminger