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Date:   Tue, 10 Aug 2021 22:34:50 +0100
From:   David Howells <>
To:     "Matthew Wilcox (Oracle)" <>
        Christoph Hellwig <>
Subject: Re: [PATCH v14 079/138] mm/filemap: Add readahead_folio()

Matthew Wilcox (Oracle) <> wrote:

> The pointers stored in the page cache are folios, by definition.
> This change comes with a behaviour change -- callers of readahead_folio()
> are no longer required to put the page reference themselves.  This matches
> how readpage works, rather than matching how readpages used to work.
> Signed-off-by: Matthew Wilcox (Oracle) <>
> Reviewed-by: Christoph Hellwig <>

For some of the things I'm looking at, this is actually inconvenient, but I
guess I can take an extra ref if I need it.

Reviewed-by: David Howells <>

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