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Date:   Wed, 25 Aug 2021 11:09:22 -0400
From:   "Theodore Ts'o" <tytso@mit.edu>
To:     Alex Sierra <alex.sierra@amd.com>
Cc:     akpm@linux-foundation.org, Felix.Kuehling@amd.com,
        linux-mm@kvack.org, rcampbell@nvidia.com,
        linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org,
        amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        hch@lst.de, jgg@nvidia.com, jglisse@redhat.com
Subject: Re: [PATCH v1 01/14] ext4/xfs: add page refcount helper
Message-ID: <YSZdIkrCKQRS+Hjx@mit.edu>
References: <20210825034828.12927-1-alex.sierra@amd.com>
 <20210825034828.12927-2-alex.sierra@amd.com>
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On Tue, Aug 24, 2021 at 10:48:15PM -0500, Alex Sierra wrote:
> From: Ralph Campbell <rcampbell@nvidia.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@nvidia.com>
> Signed-off-by: Alex Sierra <alex.sierra@amd.com>
> Reviewed-by: Christoph Hellwig <hch@lst.de>

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