Re: [Xen-devel] Re: [XEN] using shmfs for swapspace

[Nuutti Kotivuori]

Mark Williamson wrote:
> If multiple platforms want to do this, we could refactor the code so
> that the core of the balloon driver can be used in multiple archs.
> We could have an arch_release/request_memory() that the core balloon
> driver can call into to actually return memory to the VMM.

This is also a thing that the UML project would probably be interested
in.

As a generalization though, what is needed is hot-pluggable memory in
Linux kernel. Satisfies Xen, UML and any physical implementations at
some point.

-- Naked


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