linux-kernel - Re: [PATCH v3 1/7] mm: zswap: add pool shrinking mechanism

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Message-ID: <ZIce6TZchvLZsk5_@cmpxchg.org>
Date:   Mon, 12 Jun 2023 09:34:33 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     Domenico Cerasuolo <cerasuolodomenico@...il.com>
Cc:     vitaly.wool@...sulko.com, minchan@...nel.org,
        senozhatsky@...omium.org, yosryahmed@...gle.com,
        linux-mm@...ck.org, ddstreet@...e.org, sjenning@...hat.com,
        nphamcs@...il.com, akpm@...ux-foundation.org,
        linux-kernel@...r.kernel.org, kernel-team@...a.com
Subject: Re: [PATCH v3 1/7] mm: zswap: add pool shrinking mechanism

On Mon, Jun 12, 2023 at 11:38:09AM +0200, Domenico Cerasuolo wrote:
> Each zpool driver (zbud, z3fold and zsmalloc) implements its own shrink
> function, which is called from zpool_shrink. However, with this commit,
> a unified shrink function is added to zswap. The ultimate goal is to
> eliminate the need for zpool_shrink once all zpool implementations have
> dropped their shrink code.
> 
> To ensure the functionality of each commit, this change focuses solely
> on adding the mechanism itself. No modifications are made to
> the backends, meaning that functionally, there are no immediate changes.
> The zswap mechanism will only come into effect once the backends have
> removed their shrink code. The subsequent commits will address the
> modifications needed in the backends.
> 
> Acked-by: Nhat Pham <nphamcs@...il.com>
> Tested-by: Yosry Ahmed <yosryahmed@...gle.com>
> Signed-off-by: Domenico Cerasuolo <cerasuolodomenico@...il.com>

Acked-by: Johannes Weiner <hannes@...xchg.org>