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 |
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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
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