Re: [PATCH] mm, memory_hotplug: support movable_node for hotplugable nodes

[Wei Yang]

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@xxxxxxxx>
>> >
>> >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.

Could you share some light on that?

>
-- 
Wei Yang
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