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Date:   Wed, 25 Aug 2021 11:09:22 -0400
From:   "Theodore Ts'o" <>
To:     Alex Sierra <>
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 <>
> 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 <>
> Signed-off-by: Alex Sierra <>
> Reviewed-by: Christoph Hellwig <>

Acked-by: Theodore Ts'o <>

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