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Message-ID: <CAKEwX=MHdrDGC1b1ehCmJzcjOKoy-KN4=sfY-7Agf9iDbXcoXg@mail.gmail.com>
Date: Wed, 30 Oct 2024 16:46:43 -0700
From: Nhat Pham <nphamcs@...il.com>
To: Yosry Ahmed <yosryahmed@...gle.com>
Cc: Barry Song <21cnbao@...il.com>, Usama Arif <usamaarif642@...il.com>, akpm@...ux-foundation.org, 
	linux-mm@...ck.org, linux-kernel@...r.kernel.org, 
	Barry Song <v-songbaohua@...o.com>, Chengming Zhou <chengming.zhou@...ux.dev>, 
	Johannes Weiner <hannes@...xchg.org>, David Hildenbrand <david@...hat.com>, Hugh Dickins <hughd@...gle.com>, 
	Matthew Wilcox <willy@...radead.org>, Shakeel Butt <shakeel.butt@...ux.dev>, 
	Andi Kleen <ak@...ux.intel.com>, Baolin Wang <baolin.wang@...ux.alibaba.com>, 
	Chris Li <chrisl@...nel.org>, "Huang, Ying" <ying.huang@...el.com>, 
	Kairui Song <kasong@...cent.com>, Ryan Roberts <ryan.roberts@....com>, joshua.hahnjy@...il.com
Subject: Re: [PATCH RFC] mm: count zeromap read and set for swapout and swapin

On Tue, Oct 29, 2024 at 10:55 AM Yosry Ahmed <yosryahmed@...gle.com> wrote:
>
> > FWIW, the swap abstraction layer Yosry proposed last year (and I'm
> > working on right now) will allow you to store these zeromapped swap
> > entries without requiring any swap slots allocated on the swapfile.
> > It's basically the same thing as swap/zswap decoupling.
>
> I don't know if I said this before, but thank you for keeping this
> alive. Much appreciated :)
>

Of course, it's my pleasure :) I'll be sure to cc you when I send the
prototype out as an RFC - your input is much appreciated, as always :)

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