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Date:   Wed, 8 Jun 2022 01:02:22 -0700
From:   Christoph Hellwig <>
To:     "Matthew Wilcox (Oracle)" <>
Subject: Re: [PATCH 03/10] ext4: Convert mpage_release_unused_pages() to use

On Sun, Jun 05, 2022 at 08:38:47PM +0100, Matthew Wilcox (Oracle) wrote:
> If the folio is large, it may overlap the beginning or end of the
> unused range.  If it does, we need to avoid invalidating it.

It's never going to be larger for ext4, is it?  But either way,
those precautions looks fine.

Reviewed-by: Christoph Hellwig <>

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