Re: [PATCH] Memory hot added,The memory can not been added to movable zone

在 2015/8/26 14:12, Vlastimil Babka 写道:
> On 26.8.2015 2:36, Changsheng Liu wrote:
>>
>> 在 2015/8/25 19:13, Vlastimil Babka 写道:
>>> On 08/25/2015 12:25 PM, Changsheng Liu wrote:
>>>> Thanks very much for your review, I can move the memory from normal zone
>>>> to movable zone succesfully.
>>>> And thank you for let me understand the memory mechanism better.
>>>> 在 2015/8/25 3:15, Yasuaki Ishimatsu 写道:
>>> So you agree to drop the patch from -mm?
>> The system add memory to normal zone defaultly so that it can be
>> used by kernel and then we can not move the memory to movable zone.
>> The patch can add the memory to movable zone directlly.
> I thought that you confirmed that the following works?
> echo online_movable > /sys/devices/system/memory/memoryXXX/state
>
> If you want it to be the default, there's the node_movable kernel boot option.
> Does it work for you?
> .
It does not work when memory is hot added.
>

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