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Date: Sun, 5 Jul 2026 11:06:49 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: linux-kernel@vger.kernel.org, "David Hildenbrand (Arm)"
 <david@kernel.org>, Gregory Price <gourry@gourry.net>, Zi Yan
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 <jasowang@redhat.com>, Xuan Zhuo <xuanzhuo@linux.alibaba.com>, Eugenio
 =?ISO-8859-1?Q?P=E9rez?= <eperezma@redhat.com>, Lorenzo Stoakes
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 Duyck <alexander.h.duyck@linux.intel.com>, virtualization@lists.linux.dev,
 linux-mm@kvack.org, Sasha Levin <sashal@kernel.org>
Subject: Re: [PATCH v3] mm: page_reporting: allow driver to set batch
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On Sun, 5 Jul 2026 05:06:27 -0400 "Michael S. Tsirkin" <mst@redhat.com> wrote:

> > -stable maintainers have been asked not to do that - only backport
> > patches which have an explicit cc:stable.
> 
> Out of curiousity, is this specific to -mm?

Not sure.  I have vague memories of being told "we added MM to the
list", but perhaps I made that up.

Sasha, it MM the only subsystem which requires explicit cc:stable
for patches to be backported?

Thanks.