Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Mon, 12 Jun 2023 14:47:45 -0400
From:   Johannes Weiner <hannes@cmpxchg.org>
To:     Domenico Cerasuolo <cerasuolodomenico@gmail.com>
Cc:     vitaly.wool@konsulko.com, minchan@kernel.org,
        senozhatsky@chromium.org, yosryahmed@google.com,
        linux-mm@kvack.org, ddstreet@ieee.org, sjenning@redhat.com,
        nphamcs@gmail.com, akpm@linux-foundation.org,
        linux-kernel@vger.kernel.org, kernel-team@meta.com
Subject: Re: [PATCH v3 7/7] mm: zswap: remove zswap_header
Message-ID: <ZIdoUesPevg5ys4a@cmpxchg.org>
References: <20230612093815.133504-1-cerasuolodomenico@gmail.com>
 <20230612093815.133504-8-cerasuolodomenico@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20230612093815.133504-8-cerasuolodomenico@gmail.com>
Precedence: bulk

On Mon, Jun 12, 2023 at 11:38:15AM +0200, Domenico Cerasuolo wrote:
> Previously, zswap_header served the purpose of storing the swpentry
> within zpool pages. This allowed zpool implementations to pass relevant
> information to the writeback function. However, with the current
> implementation, writeback is directly handled within zswap.
> Consequently, there is no longer a necessity for zswap_header, as the
> swp_entry_t can be stored directly in zswap_entry.
> 
> Tested-by: Yosry Ahmed <yosryahmed@google.com>
> Suggested-by: Yosry Ahmed <yosryahmed@google.com>
> Signed-off-by: Domenico Cerasuolo <cerasuolodomenico@gmail.com>

Very cool.

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