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[45.249.212.35]) by mx.google.com with ESMTPS id p78si5022920oic.108.2019.06.12.05.49.16 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 12 Jun 2019 05:49:17 -0700 (PDT) Received-SPF: pass (google.com: domain of guohanjun@huawei.com designates 45.249.212.35 as permitted sender) client-ip=45.249.212.35; Authentication-Results: mx.google.com; spf=pass (google.com: domain of guohanjun@huawei.com designates 45.249.212.35 as permitted sender) smtp.mailfrom=guohanjun@huawei.com 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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