linux-kernel - Re: [PATCH v3 6/7] mm: zswap: simplify writeback function

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Message-ID: <ZIcf28uSeDnzo8B7@cmpxchg.org>
Date:   Mon, 12 Jun 2023 09:38:35 -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 6/7] mm: zswap: simplify writeback function

On Mon, Jun 12, 2023 at 11:38:14AM +0200, Domenico Cerasuolo wrote:
> zswap_writeback_entry() used to be a callback for the backends, which
> don't know about struct zswap_entry.
> 
> Now that the only user is the generic zswap LRU reclaimer, it can be
> simplified: pass the pinned zswap_entry directly, and consolidate the
> refcount management in the shrink function.
> 
> Tested-by: Yosry Ahmed <yosryahmed@...gle.com>
> Signed-off-by: Domenico Cerasuolo <cerasuolodomenico@...il.com>

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