From: osalvador <osalvador@suse.com>
To: Michal Hocko <mhocko@kernel.org>, linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
Pavel Tatashin <pasha.tatashin@oracle.com>,
David Hildenbrand <david@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Michal Hocko <mhocko@suse.com>
Subject: Re: [RFC PATCH 1/3] mm, memory_hotplug: try to migrate full section worth of pages
Date: Tue, 20 Nov 2018 15:51:32 +0100 [thread overview]
Message-ID: <1542725492.6817.3.camel@suse.com> (raw)
In-Reply-To: <20181120134323.13007-2-mhocko@kernel.org>
On Tue, 2018-11-20 at 14:43 +0100, Michal Hocko wrote:
> From: Michal Hocko <mhocko@suse.com>
>
> do_migrate_range has been limiting the number of pages to migrate to
> 256
> for some reason which is not documented.
When looking back at old memory-hotplug commits one feels pretty sad
about the brevity of the changelogs.
> Signed-off-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
next prev parent reply other threads:[~2018-11-20 14:52 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-20 13:43 [RFC PATCH 0/3] few memory offlining enhancements Michal Hocko
2018-11-20 13:43 ` Michal Hocko
2018-11-20 13:43 ` [RFC PATCH 1/3] mm, memory_hotplug: try to migrate full section worth of pages Michal Hocko
2018-11-20 13:43 ` Michal Hocko
2018-11-20 14:18 ` David Hildenbrand
2018-11-20 14:25 ` Michal Hocko
2018-11-20 14:27 ` David Hildenbrand
2018-11-20 14:33 ` Pavel Tatashin
2018-11-20 14:51 ` osalvador [this message]
2018-11-20 15:00 ` Michal Hocko
2018-11-20 13:43 ` [RFC PATCH 2/3] mm, memory_hotplug: deobfuscate migration part of offlining Michal Hocko
2018-11-20 13:43 ` Michal Hocko
2018-11-20 14:26 ` David Hildenbrand
2018-11-20 14:34 ` Michal Hocko
2018-11-20 14:34 ` David Hildenbrand
2018-11-20 15:13 ` osalvador
2018-11-20 15:18 ` Michal Hocko
2018-11-20 13:43 ` [RFC PATCH 3/3] mm, fault_around: do not take a reference to a locked page Michal Hocko
2018-11-20 13:43 ` Michal Hocko
2018-11-20 14:07 ` Kirill A. Shutemov
2018-11-20 14:12 ` Michal Hocko
2018-11-20 14:17 ` Kirill A. Shutemov
2018-11-20 14:25 ` Michal Hocko
2018-11-21 4:51 ` William Kucharski
2018-11-21 7:07 ` Michal Hocko
2018-11-20 14:33 ` David Hildenbrand
2018-11-21 1:47 ` Hugh Dickins
2018-11-21 7:11 ` Michal Hocko
2018-11-22 2:27 ` Hugh Dickins
2018-11-22 9:05 ` Michal Hocko
2018-11-23 20:22 ` Hugh Dickins
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