Re: [Xen-devel] [PATCH] xen/tmem: cleanup

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

On Tue, Feb 07, 2012 at 02:23:05PM +0400, Vasiliy Tolstov wrote:
> 2012/2/7 Jan Beulich <JBeulich@xxxxxxxx>:
> 
> >
> > As outlined above, it is possible, but I'm not certain it is a good idea
> > to have balloon_set_new_target() exported. If you think that's
> > acceptable, I can certainly put together a patch doing that (on top
> > of the one here, and probably not immediately).
> >
> > Jan
> 
> Exporting balloon_set_new_target can be grate feature to do own
> modules for balloon memory inside xen guest, becouse some times we
> need more realtime control from dom0 for memory growing speed inside
> guest.

Sounds like we have two use cases :-)

I am not seeing anything against it but I wonder if other virtualization
offerings would benefit from this as well? As in would it make sense to
export the virtio-ballon or the microsoft one as well? And perhaps have
an unified API? So that the ballloon drivers register and then have a
"virt_mem_set_new_target" exported?


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