Re: [Xen-devel] PoD, 4.2, and current/maximum reservation

[James Harper <james.harper@xxxxxxxxxxxxxxxx>]

> >> So I should just balloon down to the current_reservation figure right?
> >
> > ...I don't think so -- it looks like you're getting that from a
> > hypercall, not from xenstore.  You want the normal balloon target value
> > from xenstore.  (But I might be confused -- I'm not super familiar with
> > the technical details of the ballooning codepath, just the overall
> > principles.)
> 
> As James said, this ought to run without xenbus having initialized
> (so it can be done as early as possible). Hence the need for doing
> this via hypercalls. The "classic" Xen balloon driver does so too, btw.
> 

So is my mistake simply that I'm assuming that 'maximum reservation' == 'total 
memory?

It occurs to me that I don't actually know how to get the total amount of 
memory from a windows driver... guess I'd better look it up!

James

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