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Date:   Fri, 4 Dec 2020 21:10:36 -0800
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Andrea Arcangeli <aarcange@redhat.com>
Cc:     linux-mm@kvack.org,
        Mike Rapoport Baoquan He <"rppt@kernel.orgbhe"@redhat.com>,
        David Hildenbrand <david@redhat.com>,
        Mel Gorman <mgorman@suse.de>, Michal Hocko <mhocko@kernel.org>,
        Qian Cai <cai@lca.pw>, Vlastimil Babka <vbabka@suse.cz>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/1] mm: initialize struct pages in reserved regions
 outside of the zone ranges
Message-Id: <20201204211036.48092c4bc83dabd1419f9c71@linux-foundation.org>
In-Reply-To: <20201205013238.21663-1-aarcange@redhat.com>
References: <20201201181502.2340-1-rppt@kernel.org>
        <20201205013238.21663-1-aarcange@redhat.com>
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On Fri,  4 Dec 2020 20:32:37 -0500 Andrea Arcangeli <aarcange@redhat.com> wrote:

> I'm running with these patch applied on all instances as solution to
> the compaction crashes that started to trigger after the v5.9
> upgrade. It's applied on top of
> https://lore.kernel.org/lkml/20201201181502.2340-1-rppt@kernel.org so
> that it boots and works fine even when there are memblock.reserved
> regions that don't overlap with the memblock.memory (as pfn 0 which is
> in memblock.reserved but not added to memblock.memory).

Are you planning on preparing an applicable-to-mainline version of this?