linux-kernel - Re: [PATCH 0/1] mm: initialize struct pages in reserved regions outside of the zone ranges

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Message-Id: <20201204211036.48092c4bc83dabd1419f9c71@linux-foundation.org>
Date:   Fri, 4 Dec 2020 21:10:36 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Andrea Arcangeli <aarcange@...hat.com>
Cc:     linux-mm@...ck.org,
        Mike Rapoport Baoquan He <"rppt@...nel.orgbhe"@redhat.com>,
        David Hildenbrand <david@...hat.com>,
        Mel Gorman <mgorman@...e.de>, Michal Hocko <mhocko@...nel.org>,
        Qian Cai <cai@....pw>, Vlastimil Babka <vbabka@...e.cz>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/1] mm: initialize struct pages in reserved regions
 outside of the zone ranges

On Fri,  4 Dec 2020 20:32:37 -0500 Andrea Arcangeli <aarcange@...hat.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?