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

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Message-ID: <6f5db204-d606-4f7e-9075-29ccabbf927e@lucifer.local>
Date: Wed, 3 Sep 2025 19:25:01 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: David Hildenbrand <david@...hat.com>
Cc: Dev Jain <dev.jain@....com>, 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 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.

> >
> > 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
>