Messages in this thread |  | | | Date | Sat, 06 Sep 2008 16:06:38 +0900 | | From | Yasunori Goto <> | | Subject | Re: [PATCH] [RESEND] x86_64: add memory hotremove config option |
> > I am not sure if I understand why you appear to be opposed to
> > enabling the hotremove function before all the issues related
>
> I'm quite sceptical that it can be ever made to work in a useful
> way for real hardware (as opposed to an hypervisor para virtual setup
> for which this interface is not the right way -- it should be done
> in some specific driver instead)
> And if it cannot be made to work then it will be a false promise
> to the user. They will see it and think it will work, but it will
> not.
>
> This means I don't see a real use case for this feature.
I don't think its driver is almighty.
IIRC, balloon driver can be cause of fragmentation for 24-7 system.
In addition, I have heard that memory hotplug would be useful for reducing
of power consumption of DIMM.
I have to admit that memory hotplug has many issues, but I would like to
solve them step by step.
Thanks.
--
Yasunori Goto
|  |