linux-kernel - Re: [PATCH RFC] mm: ghost swapfile support for zswap

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Message-ID: <CACePvbWcYsm3WpQSkbiSKESpHOb+QybNTxtDL9mCvRd__Xj4Aw@mail.gmail.com>
Date: Thu, 27 Nov 2025 05:52:19 +0400
From: Chris Li <chrisl@...nel.org>
To: Rik van Riel <riel@...riel.com>
Cc: Johannes Weiner <hannes@...xchg.org>, Andrew Morton <akpm@...ux-foundation.org>, 
	Kairui Song <kasong@...cent.com>, Kemeng Shi <shikemeng@...weicloud.com>, 
	Nhat Pham <nphamcs@...il.com>, Baoquan He <bhe@...hat.com>, Barry Song <baohua@...nel.org>, 
	Yosry Ahmed <yosry.ahmed@...ux.dev>, Chengming Zhou <chengming.zhou@...ux.dev>, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org, pratmal@...gle.com, sweettea@...gle.com, 
	gthelen@...gle.com, weixugc@...gle.com
Subject: Re: [PATCH RFC] mm: ghost swapfile support for zswap

On Thu, Nov 27, 2025 at 1:53 AM Rik van Riel <riel@...riel.com> wrote:
>
> On Wed, 2025-11-26 at 23:22 +0400, Chris Li wrote:
> >
> > That being said, I think I have answered enough technical questions
> > of
> > my approach, to let you re-consider my proposal. You should be able
> > to
> > realize by now my approach is more optimal compared to VS. Do you
> > agree or not? We are just arguing how big the gap that is.
> >
>
> We would have much more confidence in your
> solution if you had told us exactly how
> you were planning to solve things in future
> stages of the project.

Can you clarify who is "We", sorry I am not part of your Meta kernel
team circle. II just reply to you and others how to solve the other
things. If you have further questions, please ask a clarifying
question. Until you ask, I don't know which part of the Swap Pony plan
you don't understand needs more clarifications.

> A "I'll solve it, but I can't tell you how"
> is not very confidence inspiring.

Don't need this kind of innuendo and it is not helping.
Please stay on the technical side of discussion and try not to project
personal judgement, thanks.

Please keep in mind that I am just one person love kernel hacking and
want to do the right things. I am doing this at my spare time, it is
not part of my company OKR's to work on upstream swap in the last two
years. I don't get pay to do this. I am replying this email from my
vacation 5am in the morning.

Again, let's stay technical. If you think I am holding any secret (I
am not ), please just ask a clarify question.

Thanks for  your cooperation and sorry that I did have a chance to
explain things better earlier.

Chris