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=-0.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 B4FC5C43331 for ; Fri, 6 Sep 2019 17:36:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8C79B21848 for ; Fri, 6 Sep 2019 17:36:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=intel-com.20150623.gappssmtp.com header.i=@intel-com.20150623.gappssmtp.com header.b="1xeDdxfL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2395237AbfIFRgi (ORCPT ); Fri, 6 Sep 2019 13:36:38 -0400 Received: from mail-ot1-f66.google.com ([209.85.210.66]:41134 "EHLO mail-ot1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732540AbfIFRgi (ORCPT ); Fri, 6 Sep 2019 13:36:38 -0400 Received: by mail-ot1-f66.google.com with SMTP id o101so6444130ota.8 for ; Fri, 06 Sep 2019 10:36:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=9q7uSrbhx9c5SQPYOEpNGzEqta+u5/vhXzE4QY3PuYk=; b=1xeDdxfLX0lsqrWJIjHKNvQ2mty+7kFEPueFcWSm7X+Uw/SIvO7sDyfqh+AfqAS86z wVdDeFcyAhtSZVSbwU1iw2RHcDZR/mb9lCaEbO8RIecoXv4cGE06VgWE8XThIHSdh2uK el35f5u7Cih4orBW7d6OL5E6g525/axBpJ1t+jNgcd9MPGZa1JMWfO+gNW4nSjIG7Yel +Ldr/Vw3HeWdYc0ZzT3IOFNWeA3Y8tM1ZzNN5aEk2UU57rg7816BPhyg6HvNe2tyIfEJ ZgiD9tfoVAaNOTdIjRjad6b0YzPXCSTAUyCzbdAyXBkgEdgqIkTmCJBxHbHrgZMGew1k e9vA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9q7uSrbhx9c5SQPYOEpNGzEqta+u5/vhXzE4QY3PuYk=; b=mG6NNapnQUUt+YgJFf6PNzwEP0/DWIlj0WKkhr6EToVJInq3C48qdL9g5GzOEkbtQW FiYVsLZzry0KkcAv/C7/juqh0VySSZGKa7ic95Bg5Y2+4n9G+W0b5VFDg3H2adMvBIdZ T+kavsSWfVi4yEkzBpGV8NufC85Mntnx5fh/tICz+/qQ9kFQHWjSw72uTf5q/GlV69H/ tu+KQakSU+TrSBPguNI0TOBvgMiJqeF/QbhVYLQmTivqADUfYECAl6zTcDmKKjLNlFVY oLwEYxOeaEyQ4siAp840/2oSCkKcdZIhBO8lvxGc4kJ33n/xc6SH9Bs0BuqISaVEHQjU WzXg== X-Gm-Message-State: APjAAAVq7LDSbYE/pDQiExopTvbNWRV1DGLqH24nMfEjGZr+644yW7IX VhhUyKhsDWxAoBxuGU04QcITv5PFaCW0tPdUFoDLzg== X-Google-Smtp-Source: APXvYqyOD0SaICilU+ItDzyAjDJkuOCP1Wrc86Psdszc/WfYmakgphsYB7srn4wzOxwYsCcwbO5QfPkMEm4wQHJN9Z0= X-Received: by 2002:a9d:5ccc:: with SMTP id r12mr7873840oti.71.1567791397118; Fri, 06 Sep 2019 10:36:37 -0700 (PDT) MIME-Version: 1.0 References: <20190906145213.32552.30160.stgit@localhost.localdomain> <20190906145333.32552.95238.stgit@localhost.localdomain> In-Reply-To: <20190906145333.32552.95238.stgit@localhost.localdomain> From: Dan Williams Date: Fri, 6 Sep 2019 10:36:26 -0700 Message-ID: Subject: Re: [PATCH v8 2/7] mm: Adjust shuffle code to allow for future coalescing To: Alexander Duyck Cc: nitesh@redhat.com, KVM list , "Michael S. Tsirkin" , David Hildenbrand , Dave Hansen , Linux Kernel Mailing List , Matthew Wilcox , Michal Hocko , Linux MM , Andrew Morton , virtio-dev@lists.oasis-open.org, Oscar Salvador , yang.zhang.wz@gmail.com, Pankaj Gupta , Rik van Riel , Konrad Rzeszutek Wilk , lcapitulino@redhat.com, "Wang, Wei W" , Andrea Arcangeli , Paolo Bonzini , Alexander Duyck Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 6, 2019 at 7:53 AM Alexander Duyck wrote: > > From: Alexander Duyck > > Move the head/tail adding logic out of the shuffle code and into the > __free_one_page function since ultimately that is where it is really > needed anyway. By doing this we should be able to reduce the overhead > and can consolidate all of the list addition bits in one spot. Looks good, thanks for doing the split: Reviewed-by: Dan Williams