Re: [PATCH 16/48] filemap: Convert filemap_get_read_batch to use folios

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH 16/48] filemap: Convert filemap_get_read_batch to use folios
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 22 Dec 2021 23:10:53 -0800
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20211208042256.1923824-17-willy@infradead.org>
References: <20211208042256.1923824-1-willy@infradead.org> <20211208042256.1923824-17-willy@infradead.org>

On Wed, Dec 08, 2021 at 04:22:24AM +0000, Matthew Wilcox (Oracle) wrote:
> The page cache only stores folios, never tail pages.  Saves 29 bytes
> due to removing calls to compound_head().

Looksgood:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH 00/48] Folios for 5.17
  - From: Matthew Wilcox (Oracle)
- [PATCH 16/48] filemap: Convert filemap_get_read_batch to use folios
  - From: Matthew Wilcox (Oracle)

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