Messages in this thread |  | | | Date | Wed, 26 Mar 2008 23:09:20 -0700 | | From | Jeremy Fitzhardinge <> | | Subject | Re: Trying to make use of hotplug memory for xen balloon driver |
KAMEZAWA Hiroyuki wrote:
> At first, I believe usual DIMM size is bigger than SECTION_SIZE_BITS. This is
> designed for hardware-based hotplug.
>
> If you want to use memory-hotplug for virtualized enviroment, it's good to make
> this to be smaller chunk. Powerpc/IBM lpar uses 16MB chunk.
>
> It's a trade-off between section mainainance cost v.s. size of plugged memory.
> please find the best.
>
Yes, that's what I thought. I'd been thinking of something around the
64-256MB mark. I'll experiment, but I've got some Xen-specific problems
to solve first.
Thanks,
J
|  |