Re: [PATCH v2 0/6] mm/memory_hotplug: Consider all zones when removing memory

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To: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxx>
Subject: Re: [PATCH v2 0/6] mm/memory_hotplug: Consider all zones when removing memory
From: Michal Hocko <mhocko@xxxxxxxxxx>
Date: Thu, 29 Aug 2019 10:38:46 +0200
Cc: David Hildenbrand <david@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, Alexander Duyck <alexander.h.duyck@xxxxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Anshuman Khandual <anshuman.khandual@xxxxxxx>, Arun KS <arunks@xxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxx>, Christophe Leroy <christophe.leroy@xxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Gerald Schaefer <gerald.schaefer@xxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Halil Pasic <pasic@xxxxxxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Ira Weiny <ira.weiny@xxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, Jun Yao <yaojun8558363@xxxxxxxxx>, Logan Gunthorpe <logang@xxxxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>, "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>, Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>, Pavel Tatashin <pavel.tatashin@xxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Qian Cai <cai@xxxxxx>, Rich Felker <dalias@xxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, Steve Capper <steve.capper@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Vasily Gorbik <gor@xxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Wei Yang <richard.weiyang@xxxxxxxxx>, Wei Yang <richardw.yang@xxxxxxxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>, Yu Zhao <yuzhao@xxxxxxxxxx>
In-reply-to: <87pnksm0zx.fsf@linux.ibm.com>
References: <20190826101012.10575-1-david@redhat.com> <87pnksm0zx.fsf@linux.ibm.com>
User-agent: Mutt/1.10.1 (2018-07-13)

On Mon 26-08-19 20:23:38, Aneesh Kumar K.V wrote:
[...]
> I did report a variant of the issue at
> 
> https://lore.kernel.org/linux-mm/20190514025354.9108-1-aneesh.kumar@xxxxxxxxxxxxx/

Is this an instance of the same problem noticed
http://lkml.kernel.org/r/20190725023100.31141-3-t-fukasawa@xxxxxxxxxxxxx
and
http://lkml.kernel.org/r/20190828080006.GG7386@xxxxxxxxxxxxxx
?
-- 
Michal Hocko
SUSE Labs

Follow-Ups:
- Re: [PATCH v2 0/6] mm/memory_hotplug: Consider all zones when removing memory
  - From: David Hildenbrand

References:
- [PATCH v2 0/6] mm/memory_hotplug: Consider all zones when removing memory
  - From: David Hildenbrand
- Re: [PATCH v2 0/6] mm/memory_hotplug: Consider all zones when removing memory
  - From: Aneesh Kumar K.V

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