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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, 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 D60C3C31E46 for ; Wed, 12 Jun 2019 12:49:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BA976215EA for ; Wed, 12 Jun 2019 12:49:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439269AbfFLMtR (ORCPT ); Wed, 12 Jun 2019 08:49:17 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:32840 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2439257AbfFLMtQ (ORCPT ); Wed, 12 Jun 2019 08:49:16 -0400 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id D58236C600BA13826720; Wed, 12 Jun 2019 20:49:11 +0800 (CST) Received: from [127.0.0.1] (10.177.223.23) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.439.0; Wed, 12 Jun 2019 20:49:07 +0800 Subject: Re: [PATCH v11 0/3] remain and optimize memblock_next_valid_pfn on arm and arm64 To: Jia He , Ard Biesheuvel CC: Will Deacon , Ard Biesheuvel , Mark Rutland , Michal Hocko , Catalin Marinas , Kemi Wang , Wei Yang , Linux-MM , Eugeniu Rosca , Petr Tesarik , Nikolay Borisov , Russell King , Daniel Jordan , "AKASHI Takahiro" , Mel Gorman , "Andrey Ryabinin" , Laura Abbott , "Daniel Vacek" , Vladimir Murzin , "Kees Cook" , Vlastimil Babka , "Johannes Weiner" , YASUAKI ISHIMATSU , "Jia He" , Gioh Kim , linux-arm-kernel , Steve Capper , Linux Kernel Mailing List , James Morse , "Philip Derrin" , Andrew Morton References: <1534907237-2982-1-git-send-email-jia.he@hxt-semitech.com> <20180907144447.GD12788@arm.com> <84b8e874-2a52-274c-4806-968470e66a08@huawei.com> <2de74de9-35b0-5e62-d822-1be59f0ef605@huawei.com> <8fdf5545-21b7-354c-4c4b-e1e92048864f@gmail.com> From: Hanjun Guo Message-ID: Date: Wed, 12 Jun 2019 20:48:57 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <8fdf5545-21b7-354c-4c4b-e1e92048864f@gmail.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.223.23] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019/6/12 9:05, Jia He wrote: >> >>> So what I would like to see is the patch set being proposed again, >>> with the new data points added for documentation. Also, the commit >>> logs need to crystal clear about how the meaning of PFN validity >>> differs between ARM and other architectures, and why the assumptions >>> that the optimization is based on are guaranteed to hold. >> I think Jia He no longer works for HXT, if don't mind, I can repost >> this patch set with Jia He's authority unchanged. > Ok, I don't mind that, thanks for your followup :) That's great, I will prepare a new version with Ard's comments addressed then repost. Thanks Hanjun