Messages in this thread | | | Subject | Re: [PATCH v6 4/4] of/fdt: mark hotpluggable memory | From | Balbir Singh <> | Date | Fri, 11 Nov 2016 12:17:18 +1100 |
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On 08/11/16 10:44, Reza Arbab wrote: > When movable nodes are enabled, any node containing only hotpluggable > memory is made movable at boot time. > > On x86, hotpluggable memory is discovered by parsing the ACPI SRAT, > making corresponding calls to memblock_mark_hotplug(). > > If we introduce a dt property to describe memory as hotpluggable, > configs supporting early fdt may then also do this marking and use > movable nodes. > > Signed-off-by: Reza Arbab <arbab@linux.vnet.ibm.com> > ---
Tested-by: Balbir Singh <bsingharora@gmail.com>
I tested this with a custom device tree and it worked quite well for me. It also means that the guest and bare-metal have two different mechanisms of marking something as hotpluggable. But given that your patch enables all architectures using OF, it might be worth it.
Balbir Singh.
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