Re: [Xen-devel] [PATCH 4 of 4] xenpaging: initial libxl support

[Olaf Hering <olaf@xxxxxxxxx>]

On Wed, Jan 11, Tim Deegan wrote:

> > Isnt that up to the host admin to decide where to take the memory from?
> > So if its acceptable to swap parts of a VM (independent from what the
> > guest OS thinks it has), so be it.
> 
> Why?  The _only_ reason I can imagine for wanting to use paging is when
> the balloon driver can't or won't do its job.  There's no advantage to
> paging except that you can always force it to happen.

Isnt that the whole point of paging, to make it happen at will without
the guest (or the application at process level) noticing it?

Olaf

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