Messages in this thread | | | Date | Wed, 26 Mar 2008 18:23:35 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: Trying to make use of hotplug memory for xen balloon driver |
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On Wed, 26 Mar 2008, Dave Hansen wrote:
> You might also note that most of the ppc64 memory hotplug is driven by > userspace. The hypervisor actually contacts a daemon on the guest to > tell it where its new memory is. That daemon does the addition > through /sys/devices/system/memory/probe.
Would it be possible to have the balloon driver use the memory hotplug interface instead? That would generalize the memory hotplug logic and you will likely find that lots of issues have already been addressed in that code.
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