Re: [PATCH v6 00/27] Memory Folios

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH v6 00/27] Memory Folios
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 1 Apr 2021 08:05:37 +0100
Cc: linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-cachefs@xxxxxxxxxx, linux-afs@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20210331184728.1188084-1-willy@infradead.org>
References: <20210331184728.1188084-1-willy@infradead.org>

On Wed, Mar 31, 2021 at 07:47:01PM +0100, Matthew Wilcox (Oracle) wrote:
>  - Mirror members of struct page (for pagecache / anon) into struct folio,
>    so (eg) you can use folio->mapping instead of folio->page.mapping

Eww, why?

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