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Date:   Mon, 13 Sep 2021 19:51:13 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Michal Hocko <mhocko@suse.com>
Cc:     Miaohe Lin <linmiaohe@huawei.com>,
        David Hildenbrand <david@redhat.com>, vbabka@suse.cz,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] mm/page_isolation: fix potential missing call to
 unset_migratetype_isolate()
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On Mon, 13 Sep 2021 14:59:42 +0200 Michal Hocko <mhocko@suse.com> wrote:

> I do realize that the stable tree is in a hoarding mode for quite some
> years but my general approach has been (in line with the documentation)
> to mark and backport only fixes that really do matter.

Me2.  There has to be some risk-vs-reward test to be passed...