linux-kernel - Re: [PATCH V1 1/2] docs/mm: explain when and why rmap locks need to be taken during mremap()

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Message-ID: <88b41934-2c3c-46a5-a86c-0c798fb7d2d4@lucifer.local>
Date: Tue, 26 Aug 2025 10:58:58 +0100
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: Harry Yoo <harry.yoo@...cle.com>
Cc: Jonathan Corbet <corbet@....net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Suren Baghdasaryan <surenb@...gle.com>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        David Hildenbrand <david@...hat.com>, Kees Cook <kees@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Shakeel Butt <shakeel.butt@...ux.dev>, Mike Rapoport <rppt@...nel.org>,
        Michal Hocko <mhocko@...e.com>, Jann Horn <jannh@...gle.com>,
        Pedro Falcato <pfalcato@...e.de>, Rik van Riel <riel@...riel.com>,
        linux-mm@...ck.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V1 1/2] docs/mm: explain when and why rmap locks need to
 be taken during mremap()

On Tue, Aug 26, 2025 at 06:48:41PM +0900, Harry Yoo wrote:
> Hi Jonathan and Lorenzo,
>
> **blaming myself for thinking**
> "Hmmm it's already there, it should be fine to use it..."

It's totally understandable :)

>
> > Yeah sorry Jon on latter bit, I did mean to get to that but workload
> > been... well you can see on lore :P
> >
> > I have a real backlog even more than usual right now too due to daring to take a
> > day off on a national holiday here in the UK :))
> >
> > Harry - more than happy for you to do the above as part of this series or
> > separately, will sling you some tags accordingly.
>
> Okay, I'll do as a part of the series (process_addrs.rst and memory-model.rst).

Can you please though make sure the formatting is all good? That doc really
needs the function names to stand out, so that's key.

I _think_ Jon fixed it so that should work fine but do check first!

>
> > If you're not already doing it (expect you are) you can generate docs via:
> >
> > make SPHINXDIRS=mm htmldocs
> >
> > Then get access to generated HTML in a browser locally in Documentation/output/
>
> Thanks and yeah I'm doing it! :)

Cheers!