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

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Message-ID: <20251125185511.GA135004@cmpxchg.org>
Date: Tue, 25 Nov 2025 13:55:11 -0500
From: Johannes Weiner <hannes@...xchg.org>
To: Chris Li <chrisl@...nel.org>
Cc: 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,
	Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH RFC] mm: ghost swapfile support for zswap

On Tue, Nov 25, 2025 at 10:14:40PM +0400, Chris Li wrote:
> Hi Johannes,
> 
> On Sat, Nov 22, 2025 at 5:52 AM Chris Li <chrisl@...nel.org> wrote:
> >
> > > Nacked-by: Johannes Weiner <hannes@...xchg.org>
> >
> > I take that the only relevant part is you are zswap maintainer and I
> > am the swap maintainer. Fine. I got the message. I will leave the
> > zswap alone. I will find other ways to address the memory base swap
> > tiers in swap.tiers.
> 
> I am sorry that I have said that. Let me take back what I said above.
> I was upset when I considered you and others blocking the more optimal
> solution and in favor of the less optimal solution. That is my short
> temper, as usual.
> 
> Now I can see that you might not see one as more optimal than the
> other as convincing as I do, or I haven't done a good job explaining
> it.
> 
> Let me offer my sincere apology. I will reply to the technical aspect
> of the question in other email.

Thanks Chris. No hard feelings.