linux-kernel - Re: [PATCH v10 14/14] mm: multi-gen LRU: design doc

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Message-ID: <87wng1838i.fsf@meer.lwn.net>
Date:   Thu, 07 Apr 2022 06:52:45 -0600
From:   Jonathan Corbet <corbet@....net>
To:     Bagas Sanjaya <bagasdotme@...il.com>, Yu Zhao <yuzhao@...gle.com>,
        Stephen Rothwell <sfr@...hwell.id.au>, linux-mm@...ck.org
Cc:     Andi Kleen <ak@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Aneesh Kumar <aneesh.kumar@...ux.ibm.com>,
        Barry Song <21cnbao@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Hillf Danton <hdanton@...a.com>, Jens Axboe <axboe@...nel.dk>,
        Jesse Barnes <jsbarnes@...gle.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Matthew Wilcox <willy@...radead.org>,
        Mel Gorman <mgorman@...e.de>,
        Michael Larabel <Michael@...haellarabel.com>,
        Michal Hocko <mhocko@...nel.org>,
        Mike Rapoport <rppt@...nel.org>,
        Rik van Riel <riel@...riel.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Will Deacon <will@...nel.org>,
        Ying Huang <ying.huang@...el.com>,
        linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, page-reclaim@...gle.com,
        x86@...nel.org, Brian Geffon <bgeffon@...gle.com>,
        Jan Alexander Steffens <heftig@...hlinux.org>,
        Oleksandr Natalenko <oleksandr@...alenko.name>,
        Steven Barrett <steven@...uorix.net>,
        Suleiman Souhlal <suleiman@...gle.com>,
        Daniel Byrne <djbyrne@....edu>,
        Donald Carr <d@...os-reins.com>,
        Holger Hoffstätte 
        <holger@...lied-asynchrony.com>,
        Konstantin Kharlamov <Hi-Angel@...dex.ru>,
        Shuang Zhai <szhai2@...rochester.edu>,
        Sofia Trinh <sofia.trinh@....works>,
        Vaibhav Jain <vaibhav@...ux.ibm.com>
Subject: Re: [PATCH v10 14/14] mm: multi-gen LRU: design doc

Bagas Sanjaya <bagasdotme@...il.com> writes:

> On 07/04/22 10.15, Yu Zhao wrote:
>> Add a design doc.
>> 
>
> Why is this design documentation added?

...because perhaps other developers might want to understand the design
of this complex mechanism?

Bagas, it is hard enough to get people to write useful documentation as
it is.  Could I ask you to please stop adding useless friction to the
process?

Thanks,

jon