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Date:   Wed, 25 Aug 2021 11:09:22 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     Alex Sierra <alex.sierra@....com>
Cc:     akpm@...ux-foundation.org, Felix.Kuehling@....com,
        linux-mm@...ck.org, rcampbell@...dia.com,
        linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        hch@....de, jgg@...dia.com, jglisse@...hat.com
Subject: Re: [PATCH v1 01/14] ext4/xfs: add page refcount helper

On Tue, Aug 24, 2021 at 10:48:15PM -0500, Alex Sierra wrote:
> From: Ralph Campbell <rcampbell@...dia.com>
> 
> There are several places where ZONE_DEVICE struct pages assume a reference
> count == 1 means the page is idle and free. Instead of open coding this,
> add a helper function to hide this detail.
> 
> Signed-off-by: Ralph Campbell <rcampbell@...dia.com>
> Signed-off-by: Alex Sierra <alex.sierra@....com>
> Reviewed-by: Christoph Hellwig <hch@....de>

Acked-by: Theodore Ts'o <tytso@....edu>

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