linux-kernel - Re: [PATCH v14 072/138] mm/writeback: Add folio_account

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Date:   Tue, 10 Aug 2021 22:22:17 +0100
From:   David Howells <dhowells@...hat.com>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     dhowells@...hat.com, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v14 072/138] mm/writeback: Add folio_account_cleaned()

Matthew Wilcox (Oracle) <willy@...radead.org> wrote:

> Get the statistics right; compound pages were being accounted as a
> single page.  This didn't matter before now as no filesystem which
> supported compound pages did writeback.  Also move the declaration
> to filemap.h since this is part of the page cache.  Add a wrapper for
> account_page_cleaned().
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
> Reviewed-by: Christoph Hellwig <hch@....de>

Reviewed-by: David Howells <dhowells@...hat.com>