linux-kernel - Re: [PATCH v2 0/3] mm: fix max_pfn not falling on section boundary

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Message-Id: <20200130195258.6609880ac35f27f29238f804@linux-foundation.org>
Date:   Thu, 30 Jan 2020 19:52:58 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     David Hildenbrand <david@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Alexey Dobriyan <adobriyan@...il.com>,
        Bob Picco <bob.picco@...cle.com>,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Michal Hocko <mhocko@...nel.org>,
        Michal Hocko <mhocko@...e.com>,
        Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
        Oscar Salvador <osalvador@...e.de>,
        Pavel Tatashin <pasha.tatashin@...cle.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Steven Sistare <steven.sistare@...cle.com>
Subject: Re: [PATCH v2 0/3] mm: fix max_pfn not falling on section boundary

On Wed, 11 Dec 2019 17:31:58 +0100 David Hildenbrand <david@...hat.com> wrote:

> Playing with different memory sizes for a x86-64 guest, I discovered that
> some memmaps (highest section if max_mem does not fall on the section
> boundary) are marked as being valid and online, but contain garbage. We
> have to properly initialize these memmaps.
> 
> Looking at /proc/kpageflags and friends, I found some more issues,
> partially related to this.

We're still showing very little (ie no) review activity on this
patchset.