Re: [PATCH v2 13/46] mm/memcg: Convert commit_charge() to take a folio

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To: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: Re: [PATCH v2 13/46] mm/memcg: Convert commit_charge() to take a folio
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 23 Jun 2021 10:13:33 +0200
Cc: akpm@xxxxxxxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20210622121551.3398730-14-willy@infradead.org>

On Tue, Jun 22, 2021 at 01:15:18PM +0100, Matthew Wilcox (Oracle) wrote:
> The memcg_data is only set on the head page, so enforce that by
> typing it as a folio.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v2 00/46] Folio-enabling the page cache
  - From: Matthew Wilcox (Oracle)
- [PATCH v2 13/46] mm/memcg: Convert commit_charge() to take a folio
  - From: Matthew Wilcox (Oracle)

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