linux-kernel - Re: [PATCH v11 0/3] remain and optimize memblock_next_valid

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Message-ID: <ed84966f-81ed-3be9-5b21-1fd92deea3cc@huawei.com>
Date:   Wed, 12 Jun 2019 20:48:57 +0800
From:   Hanjun Guo <guohanjun@...wei.com>
To:     Jia He <hejianet@...il.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>
CC:     Will Deacon <will.deacon@....com>,
        Ard Biesheuvel <ard.biesheuvel@....com>,
        Mark Rutland <mark.rutland@....com>,
        Michal Hocko <mhocko@...e.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Kemi Wang <kemi.wang@...el.com>,
        Wei Yang <richard.weiyang@...il.com>,
        Linux-MM <linux-mm@...ck.org>,
        Eugeniu Rosca <erosca@...adit-jv.com>,
        Petr Tesarik <ptesarik@...e.com>,
        Nikolay Borisov <nborisov@...e.com>,
        Russell King <linux@...linux.org.uk>,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        "AKASHI Takahiro" <takahiro.akashi@...aro.org>,
        Mel Gorman <mgorman@...e.de>,
        "Andrey Ryabinin" <aryabinin@...tuozzo.com>,
        Laura Abbott <labbott@...hat.com>,
        "Daniel Vacek" <neelx@...hat.com>,
        Vladimir Murzin <vladimir.murzin@....com>,
        "Kees Cook" <keescook@...omium.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        "Johannes Weiner" <hannes@...xchg.org>,
        YASUAKI ISHIMATSU <yasu.isimatu@...il.com>,
        "Jia He" <jia.he@...-semitech.com>,
        Gioh Kim <gi-oh.kim@...fitbricks.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Steve Capper <steve.capper@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        James Morse <james.morse@....com>,
        "Philip Derrin" <philip@....systems>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v11 0/3] remain and optimize memblock_next_valid_pfn on
 arm and arm64

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