From: David Hildenbrand <david@redhat.com>
To: Michal Hocko <mhocko@suse.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Wei Yang <richard.weiyang@linux.alibaba.com>,
Baoquan He <bhe@redhat.com>,
Pankaj Gupta <pankaj.gupta.linux@gmail.com>,
Oscar Salvador <osalvador@suse.de>
Subject: Re: [PATCH v2 03/10] mm/memory_hotplug: simplify page offlining
Date: Tue, 8 Sep 2020 11:10:40 +0200 [thread overview]
Message-ID: <b61869c0-bb1b-dd4d-bcc5-afe509a0cfc3@redhat.com> (raw)
In-Reply-To: <20200907064556.GB30144@dhcp22.suse.cz>
On 07.09.20 08:45, Michal Hocko wrote:
> On Fri 04-09-20 12:21:34, Andrew Morton wrote:
>> On Fri, 4 Sep 2020 07:47:45 +0200 David Hildenbrand <david@redhat.com> wrote:
> [...]
>> @@ -1589,9 +1567,7 @@ int __ref offline_pages(unsigned long st
>> reason = "failure to dissolve huge pages";
>> goto failed_removal_isolated;
>> }
>> - /* check again */
>> - ret = walk_system_ram_range(start_pfn, end_pfn - start_pfn,
>> - NULL, check_pages_isolated_cb);
>> +
>> /*
>> * per-cpu pages are drained in start_isolate_page_range, but if
>> * there are still pages that are not free, make sure that we
>> @@ -1604,15 +1580,15 @@ int __ref offline_pages(unsigned long st
>> * because has_unmovable_pages explicitly checks for
>> * PageBuddy on freed pages on other zones.
>> */
>> + ret = test_pages_isolated(start_pfn, end_pfn, MEMORY_OFFLINE);
>> if (ret)
>> drain_all_pages(zone);
>> } while (ret);
>
> Looks ok
>
Agreed, thanks Michal and Andrew.
--
Thanks,
David / dhildenb
next prev parent reply other threads:[~2020-09-08 9:10 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-19 17:59 [PATCH v2 00/10] mm/memory_hotplug: online_pages()/offline_pages() cleanups David Hildenbrand
2020-08-19 17:59 ` [PATCH v2 01/10] mm/memory_hotplug: inline __offline_pages() into offline_pages() David Hildenbrand
2020-08-24 10:26 ` Oscar Salvador
2020-08-31 10:05 ` Pankaj Gupta
2020-08-19 17:59 ` [PATCH v2 02/10] mm/memory_hotplug: enforce section granularity when onlining/offlining David Hildenbrand
2020-08-24 10:39 ` Oscar Salvador
2020-08-25 2:11 ` Wei Yang
2020-09-08 9:14 ` David Hildenbrand
2020-08-19 17:59 ` [PATCH v2 03/10] mm/memory_hotplug: simplify page offlining David Hildenbrand
2020-08-24 10:44 ` Oscar Salvador
2020-09-03 21:58 ` Andrew Morton
2020-09-04 5:47 ` David Hildenbrand
2020-09-04 7:46 ` Michal Hocko
2020-09-04 19:21 ` Andrew Morton
2020-09-07 6:45 ` Michal Hocko
2020-09-08 9:10 ` David Hildenbrand [this message]
2020-08-19 17:59 ` [PATCH v2 04/10] mm/page_alloc: simplify __offline_isolated_pages() David Hildenbrand
2020-08-24 10:48 ` Oscar Salvador
2020-08-19 17:59 ` [PATCH v2 05/10] mm/memory_hotplug: drop nr_isolate_pageblock in offline_pages() David Hildenbrand
2020-08-24 10:49 ` Oscar Salvador
2020-08-19 17:59 ` [PATCH v2 06/10] mm/page_isolation: simplify return value of start_isolate_page_range() David Hildenbrand
2020-08-24 10:51 ` Oscar Salvador
2020-08-19 17:59 ` [PATCH v2 07/10] mm/memory_hotplug: simplify page onlining David Hildenbrand
2020-08-24 10:55 ` Oscar Salvador
2020-08-19 17:59 ` [PATCH v2 08/10] mm/page_alloc: drop stale pageblock comment in memmap_init_zone*() David Hildenbrand
2020-08-24 10:58 ` Oscar Salvador
2020-08-19 17:59 ` [PATCH v2 09/10] mm: pass migratetype into memmap_init_zone() and move_pfn_range_to_zone() David Hildenbrand
2020-08-24 11:59 ` Oscar Salvador
2020-08-19 17:59 ` [PATCH v2 10/10] mm/memory_hotplug: mark pageblocks MIGRATE_ISOLATE while onlining memory David Hildenbrand
2020-08-24 12:07 ` Oscar Salvador
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