linux-kernel - Re: [PATCH v2 29/46] mm/writeback: Add folio_account

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Message-ID: <YNMAju9hE/3A+6NZ@infradead.org>
Date:   Wed, 23 Jun 2021 11:36:14 +0200
From:   Christoph Hellwig <hch@...radead.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     akpm@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 29/46] mm/writeback: Add folio_account_cleaned()

On Tue, Jun 22, 2021 at 01:15:34PM +0100, Matthew Wilcox (Oracle) wrote:
> Get the statistics right; compound pages were being accounted as a
> single page.

Maybe reword this a little to document the existing function that got
it wrong, and why it did not matter before.

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@....de>