Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Tue, 12 Jan 2021 07:25:08 +0200
From:   Mike Rapoport <rppt@kernel.org>
To:     Andrew Morton <akpm@linux-foundation.org>
Cc:     Andrea Arcangeli <aarcange@redhat.com>,
        Baoquan He <bhe@redhat.com>, Borislav Petkov <bp@alien8.de>,
        David Hildenbrand <david@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
        Mel Gorman <mgorman@suse.de>, Michal Hocko <mhocko@kernel.org>,
        Mike Rapoport <rppt@linux.ibm.com>, Qian Cai <cai@lca.pw>,
        Thomas Gleixner <tglx@linutronix.de>,
        Vlastimil Babka <vbabka@suse.cz>, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, x86@kernel.org
Subject: Re: [PATCH v3 0/2] mm: fix initialization of struct page for holes
 in  memory layout
Message-ID: <20210112052508.GF1106298@kernel.org>
References: <20210111194017.22696-1-rppt@kernel.org>
 <20210111165801.ef35b01b15132d5513b2f3ce@linux-foundation.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20210111165801.ef35b01b15132d5513b2f3ce@linux-foundation.org>
Precedence: bulk

On Mon, Jan 11, 2021 at 04:58:01PM -0800, Andrew Morton wrote:
> On Mon, 11 Jan 2021 21:40:15 +0200 Mike Rapoport <rppt@kernel.org> wrote:
> 
> > Commit 73a6e474cb37 ("mm: memmap_init: iterate over
> > memblock regions rather that check each PFN") exposed several issues with
> > the memory map initialization and these patches fix those issues.
> > 
> > Initially there were crashes during compaction that Qian Cai reported back
> > in April [1]. It seemed back then that the problem was fixed, but a few
> > weeks ago Andrea Arcangeli hit the same bug [2] and there was an additional
> > discussion at [3].
> 
> The earlier version of these fixes had cc:stable.  Was the omission
> this time deliberate?

Nope, it was accidental. 
Thanks for noticing.

-- 
Sincerely yours,
Mike.