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Date: Mon, 11 Jan 2021 16:58:01 -0800 From: Andrew Morton <akpm@...ux-foundation.org> To: Mike Rapoport <rppt@...nel.org> Cc: Andrea Arcangeli <aarcange@...hat.com>, Baoquan He <bhe@...hat.com>, Borislav Petkov <bp@...en8.de>, David Hildenbrand <david@...hat.com>, "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>, Mel Gorman <mgorman@...e.de>, Michal Hocko <mhocko@...nel.org>, Mike Rapoport <rppt@...ux.ibm.com>, Qian Cai <cai@....pw>, Thomas Gleixner <tglx@...utronix.de>, Vlastimil Babka <vbabka@...e.cz>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, x86@...nel.org Subject: Re: [PATCH v3 0/2] mm: fix initialization of struct page for holes in memory layout On Mon, 11 Jan 2021 21:40:15 +0200 Mike Rapoport <rppt@...nel.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?
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