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SubjectRe: [kvm-devel] [RFC 0/8]KVM: swap out guest pages
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On Mon, 2007-07-23 at 20:34 +0800, Christoph Hellwig wrote:
> On Mon, Jul 23, 2007 at 03:29:36PM +0300, Avi Kivity wrote:
> > >Actually it requires lots of deep down VM internals symbols that'll
> never
> > >get exported.
> > >
> > >
> >
> > What's "it" here? kvm-specific address space or generic vmas.
>
> The patches in this thread.
>
> > Generic vmas will be more intrusive AFAICT.
>
> People use intrusive differently. Doing big changes to core code is
> not
> a problem if we actually get a proper interface. Just exporting core
> function without other changes and then writing code in modules that
> pokes into internals is much much worse.
The patch follows the same way shm swap out pages. The only difference
is kvm is a module but shm not. why kvm can't use the symbols shm used?

Sure, it's possible to write guest memory to a file so not use the
symbols, if you really hate this, I'll consider the alternative method.

Thanks,
Shaohua
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