Re: [Xen-devel] [PATCH] fixes to stable/for-linus-3.5

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Wed, May 23, 2012 at 05:02:33PM +0100, David Vrabel wrote:
> On 21/05/12 22:42, Konrad Rzeszutek Wilk wrote:
> > 
> > The autoballoon one would try to balloon up to E820_MAX when
> > there were no dom0_mem=.. argument.
> 
> I don't see this behaviour and looking at the code I don't see how it
> could.  The autoballoon code only populates pages that were released so
> it won't go above xen_start_info->nr_pages.

You are right. The ballooning up seems to be done by some other piece
of code.
> 
> Do you have any logs showing the problem behaviour?

I did. Let me re-run it and send it along.

> 
> > The patch fixes it, and
> > is also makes the dom0_mem=1G case work better (I think?). The
> > other solution would be to use the current_reservation patch
> > I posted a while back to work-around when no dom0_mem= argument
> > is used.
> 
> David
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