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xen-devel
RE: [Xen-devel] question on balloon driver
> At least on my machine, with current unstable, I cannot
> create more than 140 *completely empty* domains (just
> created, no resources assigned); attempting to create more at
> that point gives an out-of-memory error (which I believe is
> referring to the Xen hypervisor kernel memory).
> Perhaps there is some switch I haven't seen which allows
> increasing the amount of memory allocated to the Xen kernel?
> It would also be nice if domains had far less overhead until
> resources were allocated to them.
Sounds like you're running out of Xen heap, which is currently
statically sized.
Each domain 'shell' allocates something like 64KB of storage.
I'm not sure we'll get around to changing this anytime soon on, at least
on x86_32. On x86_64 there's no need for there to be a distinction
between domain and xen heap pages, hence the xen heap can be dynamically
sized (at least in the bottom 4GB)
Ian
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