linux-kernel - Re: [PATCH v6 27/27] mm/filemap: Convert page wait queues to be folios

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Message-ID: <20210406142509.GZ3062550@infradead.org>
Date:   Tue, 6 Apr 2021 15:25:09 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-cachefs@...hat.com,
        linux-afs@...ts.infradead.org
Subject: Re: [PATCH v6 27/27] mm/filemap: Convert page wait queues to be
 folios

On Wed, Mar 31, 2021 at 07:47:28PM +0100, Matthew Wilcox (Oracle) wrote:
> Reinforce that if we're waiting for a bit in a struct page, that's
> actually in the head page by changing the type from page to folio.
> Increases the size of cachefiles by two bytes, but the kernel core
> is unchanged in size.

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>