linux-kernel - Re: [PATCH RFC 0/6] Allow file-backed or shared device private pages

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Message-ID: <Z9e7Vye7OHSbEEx_@infradead.org>
Date: Sun, 16 Mar 2025 23:04:07 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Alistair Popple <apopple@...dia.com>
Cc: linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC 0/6] Allow file-backed or shared device private pages

On Sun, Mar 16, 2025 at 03:29:23PM +1100, Alistair Popple wrote:
> This series lifts that restriction by allowing ZONE_DEVICE private pages to
> exist in the pagecache.

You'd better provide a really good argument for why we'd even want
to do that.  So far this cover letter fails to do that.