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From: Michal Hocko <mhocko@kernel.org>
To: David Hildenbrand <david@redhat.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
	Qian Cai <cai@lca.pw>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	Mike Kravetz <mike.kravetz@oracle.com>
Subject: Re: memory offline infinite loop after soft offline
Date: Fri, 18 Oct 2019 10:24:59 +0200	[thread overview]
Message-ID: <20191018082459.GE5017@dhcp22.suse.cz> (raw)
In-Reply-To: <33946728-bdeb-494a-5db8-e279acebca47@redhat.com>

On Fri 18-10-19 10:13:36, David Hildenbrand wrote:
[...]
> However, if the compound page spans multiple pageblocks

Although hugetlb pages spanning pageblocks are possible this shouldn't
matter in__test_page_isolated_in_pageblock because this function doesn't
really operate on pageblocks as the name suggests.  It is simply
traversing all valid RAM ranges (see walk_system_ram_range).
-- 
Michal Hocko
SUSE Labs

  reply	other threads:[~2019-10-18  8:25 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-11 21:32 memory offline infinite loop after soft offline Qian Cai
2019-10-12 10:30 ` osalvador
2019-10-14  8:39 ` Michal Hocko
2019-10-17  9:34   ` Naoya Horiguchi
2019-10-17 10:01     ` Michal Hocko
2019-10-17 10:03       ` David Hildenbrand
2019-10-17 18:07       ` Qian Cai
2019-10-17 18:07         ` Qian Cai
2019-10-17 18:27         ` Michal Hocko
2019-10-18  2:19           ` Naoya Horiguchi
2019-10-18  6:06             ` Michal Hocko
2019-10-18  6:32               ` Naoya Horiguchi
2019-10-18  7:33                 ` Michal Hocko
2019-10-18  8:46                   ` Naoya Horiguchi
2019-10-18 11:56                 ` Qian Cai
2019-10-21  3:16                   ` Naoya Horiguchi
2020-05-15  2:46                     ` Qian Cai
2020-05-15  3:48                       ` HORIGUCHI NAOYA(堀口　直也)
2020-05-19  4:17                         ` Qian Cai
2019-10-18  8:13             ` David Hildenbrand
2019-10-18  8:24               ` Michal Hocko [this message]
2019-10-18  8:38                 ` David Hildenbrand
2019-10-18  8:55                   ` Michal Hocko
2019-10-18 11:00                     ` David Hildenbrand
2019-10-18 11:05                       ` David Hildenbrand
2019-10-18 11:34                       ` Michal Hocko
2019-10-18 11:51                         ` David Hildenbrand

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