linux-kernel - Re: Folio discussion recap

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Date:   Thu, 16 Sep 2021 22:58:07 +0100
From:   David Howells <dhowells@...hat.com>
To:     Johannes Weiner <hannes@...xchg.org>
Cc:     dhowells@...hat.com, "Darrick J. Wong" <djwong@...nel.org>,
        Kent Overstreet <kent.overstreet@...il.com>,
        Matthew Wilcox <willy@...radead.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Christoph Hellwig <hch@...radead.org>
Subject: Re: Folio discussion recap

Johannes Weiner <hannes@...xchg.org> wrote:

> I know Kent was surprised by this. I know Dave Chinner suggested to
> call it "cache page" or "cage" early on, which also suggests an
> understanding of a *dedicated* cache page descriptor.

If we are aiming to get pages out of the view of the filesystem, then we
should probably not include "page" in the name.  "Data cache" would seem
obvious, but we already have that concept for the CPU.  How about something
like "struct content" and rename i_pages to i_content?

David