From: Michal Hocko <mhocko@kernel.org>
To: David Hildenbrand <david@redhat.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Alexander Duyck <alexander.h.duyck@linux.intel.com>,
Andrew Morton <akpm@linux-foundation.org>,
Andy Lutomirski <luto@kernel.org>,
Anshuman Khandual <anshuman.khandual@arm.com>,
Arun KS <arunks@codeaurora.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Borislav Petkov <bp@alien8.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Christophe Leroy <christophe.leroy@c-s.fr>,
Dan Williams <dan.j.williams@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Fenghua Yu <fenghua.yu@intel.com>,
Gerald Schaefer <gerald.schaefer@de.ibm.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Halil Pasic <pasic@linux.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
Ira Weiny <ira.weiny@intel.com>, Jason Gunthorpe <jgg@ziepe.ca>,
Johannes Weiner <hannes@cmpxchg.org>,
Jun Yao <yaojun8558363@gmail.com>,
Logan Gunthorpe <logang@deltatee.com>,
Mark Rutland <mark.rutland@arm.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
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Paul Mackerras <paulus@samba.org>,
Pavel Tatashin <pasha.tatashin@soleen.com>,
Pavel Tatashin <pavel.tatashin@microsoft.com>,
Peter Zijlstra <peterz@infradead.org>, Qian Cai <cai@lca.pw>,
Rich Felker <dalias@libc.org>,
Robin Murphy <robin.murphy@arm.com>,
Steve Capper <steve.capper@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Tom Lendacky <thomas.lendacky@amd.com>,
Tony Luck <tony.luck@intel.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Vlastimil Babka <vbabka@suse.cz>,
Wei Yang <richard.weiyang@gmail.com>,
Wei Yang <richardw.yang@linux.intel.com>,
Will Deacon <will@kernel.org>,
Yoshinori Sato <ysato@users.sourceforge.jp>,
Yu Zhao <yuzhao@google.com>
Subject: Re: [PATCH v2 0/6] mm/memory_hotplug: Consider all zones when removing memory
Date: Thu, 29 Aug 2019 14:20:59 +0200 [thread overview]
Message-ID: <20190829122059.GF28313@dhcp22.suse.cz> (raw)
In-Reply-To: <3737c4bf-46ba-789b-b49e-7c5ad630a07b@redhat.com>
On Thu 29-08-19 13:55:24, David Hildenbrand wrote:
> On 29.08.19 10:38, Michal Hocko wrote:
> > 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@linux.ibm.com/
> >
> > Is this an instance of the same problem noticed
> > http://lkml.kernel.org/r/20190725023100.31141-3-t-fukasawa@vx.jp.nec.com
> > and
> > http://lkml.kernel.org/r/20190828080006.GG7386@dhcp22.suse.cz
> > ?
> >
>
> I think it is related as far as I can tell. I think I could also use
> pfn_zone_device_reserved() to skip over uninitialized memmaps in the
> zone shrinking code.
No, we do not want to special case this. We should be able to make these
struct page initialized.
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2019-08-29 12:21 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-26 10:10 David Hildenbrand
2019-08-26 10:10 ` [PATCH v2 1/6] mm/memory_hotplug: Exit early in __remove_pages() on BUGs David Hildenbrand
2019-08-26 10:10 ` [PATCH v2 2/6] mm: Exit early in set_zone_contiguous() if already contiguous David Hildenbrand
2019-08-26 10:10 ` [PATCH v2 3/6] mm/memory_hotplug: Process all zones when removing memory David Hildenbrand
2019-08-29 15:39 ` Michal Hocko
2019-08-29 15:54 ` David Hildenbrand
2019-08-29 16:27 ` Michal Hocko
2019-08-29 16:59 ` David Hildenbrand
2019-08-30 6:01 ` Michal Hocko
2019-08-30 6:20 ` David Hildenbrand
2019-08-30 6:47 ` Michal Hocko
2019-08-30 7:07 ` David Hildenbrand
2019-08-30 8:31 ` Michal Hocko
2019-08-26 10:10 ` [PATCH v2 4/6] mm/memory_hotplug: Cleanup __remove_pages() David Hildenbrand
2019-08-26 10:10 ` [PATCH v2 5/6] mm: Introduce for_each_zone_nid() David Hildenbrand
2019-08-26 10:10 ` [PATCH v2 6/6] mm/memory_hotplug: Pass nid instead of zone to __remove_pages() David Hildenbrand
2019-08-27 10:49 ` Robin Murphy
2019-08-26 14:53 ` [PATCH v2 0/6] mm/memory_hotplug: Consider all zones when removing memory Aneesh Kumar K.V
2019-08-26 15:43 ` David Hildenbrand
2019-08-26 16:01 ` Aneesh Kumar K.V
2019-08-26 16:20 ` David Hildenbrand
2019-08-26 16:44 ` David Hildenbrand
2019-08-27 5:46 ` Aneesh Kumar K.V
2019-08-27 7:06 ` David Hildenbrand
2019-08-28 9:33 ` David Hildenbrand
2019-08-29 8:38 ` Michal Hocko
2019-08-29 11:55 ` David Hildenbrand
2019-08-29 12:20 ` Michal Hocko [this message]
2019-08-29 8:36 ` Michal Hocko
2019-08-29 11:39 ` David Hildenbrand
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