From: Vlastimil Babka <vbabka@suse.cz>
To: Wei Yang <richard.weiyang@gmail.com>, Michal Hocko <mhocko@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Mel Gorman <mgorman@suse.de>,
Andrea Arcangeli <aarcange@redhat.com>,
Reza Arbab <arbab@linux.vnet.ibm.com>,
Yasuaki Ishimatsu <yasu.isimatu@gmail.com>,
qiuxishi@huawei.com, Kani Toshimitsu <toshi.kani@hpe.com>,
slaoub@gmail.com, Joonsoo Kim <js1304@gmail.com>,
Andi Kleen <ak@linux.intel.com>,
David Rientjes <rientjes@google.com>,
Daniel Kiper <daniel.kiper@oracle.com>,
Igor Mammedov <imammedo@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm, memory_hotplug: support movable_node for hotplugable nodes
Date: Wed, 14 Jun 2017 11:07:31 +0200 [thread overview]
Message-ID: <3e0a47c9-d51d-3d73-e876-abc1c5c81080@suse.cz> (raw)
In-Reply-To: <20170614090651.GA15288@WeideMacBook-Pro.local>
On 06/14/2017 11:06 AM, Wei Yang wrote:
> On Mon, Jun 12, 2017 at 08:45:02AM +0200, Michal Hocko wrote:
>> On Mon 12-06-17 12:28:32, Wei Yang wrote:
>>> On Thu, Jun 08, 2017 at 02:23:18PM +0200, Michal Hocko wrote:
>>>> From: Michal Hocko <mhocko@suse.com>
>>>>
>>>> movable_node kernel parameter allows to make hotplugable NUMA
>>>> nodes to put all the hotplugable memory into movable zone which
>>>> allows more or less reliable memory hotremove. At least this
>>>> is the case for the NUMA nodes present during the boot (see
>>>> find_zone_movable_pfns_for_nodes).
>>>>
>>>
>>> When movable_node is enabled, we would have overlapped zones, right?
>>
>> It won't based on this patch. See movable_pfn_range
>
> I did grep in source code, but not find movable_pfn_range.
This patch is adding it.
> Could you share some light on that?
>
>>
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next prev parent reply other threads:[~2017-06-14 9:08 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-08 12:23 [PATCH] mm, memory_hotplug: support movable_node for hotplugable nodes Michal Hocko
2017-06-10 14:33 ` Wei Yang
2017-06-12 6:35 ` Michal Hocko
2017-06-11 1:45 ` Wei Yang
2017-06-12 6:37 ` Michal Hocko
2017-06-12 4:28 ` Wei Yang
2017-06-12 6:45 ` Michal Hocko
2017-06-14 9:06 ` Wei Yang
2017-06-14 9:07 ` Vlastimil Babka [this message]
2017-06-15 1:03 ` Wei Yang
2017-06-15 3:13 ` Wei Yang
2017-06-15 8:16 ` Michal Hocko
2017-06-12 8:58 ` Vlastimil Babka
2017-06-12 11:12 ` [PATCH -v2] " Michal Hocko
2017-06-15 3:29 ` [PATCH] " Wei Yang
2017-06-15 8:24 ` Michal Hocko
2017-06-15 15:43 ` Reza Arbab
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