linux-kernel - Re: [PATCH 1/2] mm: Enable khugepaged to operate on non-writable VMAs

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Message-ID: <2dec8949-51e1-47ec-b484-d3e7c640ab89@arm.com>
Date: Thu, 4 Sep 2025 09:26:20 +0530
From: Dev Jain <dev.jain@....com>
To: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 David Hildenbrand <david@...hat.com>
Cc: Wei Yang <richard.weiyang@...il.com>, akpm@...ux-foundation.org,
 kas@...nel.org, willy@...radead.org, hughd@...gle.com, ziy@...dia.com,
 baolin.wang@...ux.alibaba.com, Liam.Howlett@...cle.com, npache@...hat.com,
 ryan.roberts@....com, baohua@...nel.org, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mm: Enable khugepaged to operate on non-writable VMAs


On 03/09/25 11:55 pm, Lorenzo Stoakes wrote:
> On Wed, Sep 03, 2025 at 11:22:09AM +0200, David Hildenbrand wrote:
>> On 03.09.25 11:18, Dev Jain wrote:
>>> I meant to say, writable VMAs with wrprotected ptes. Maybe after this
>>> patch, people
> So, I think you really need to update the commit message here to reflect
> that!
>
> And of course, do a cover letter :P
>
> The test results would probably work better as a cover letter as will be
> put in the first commit by Andrew in any case.

Alright if that is the concensus then I will soon post v2 with cover letter.

>
>>> can finally make some real use of the max_ptes_shared tunable :)
>> I hope not, because it should be burned with fire, lol :)
> +1 :)
>
>> --
>> Cheers
>>
>> David / dhildenb
>>