Re: [PATCH 1/8] xen: Mark all initial reserved pages for the balloon as INVALID_P2M_ENTRY.

Konrad Rzeszutek Wilk
2011-01-04T16:45:40Z

On Tue, Jan 04, 2011 at 04:34:48PM +0000, Ian Campbell wrote:
> On Thu, 2010-12-30 at 19:48 +0000, Konrad Rzeszutek Wilk wrote:
> > With this patch, we diligently set regions that will be used by the
> > balloon driver to be INVALID_P2M_ENTRY and under the ownership
> > of the balloon driver. We are OK using the __set_phys_to_machine
> > as we do not expect to be allocating any P2M middle or entries pages.
>
> ... because xen_build_mfn_list_list will have already allocated all such
> pages up to xen_max_p2m_pfn.

Correct. Let me update the description accordingly.