On Mon, 2010-04-05 at 16:28 -0700, Jeremy Fitzhardinge wrote:
quoted text
> I guess a way to use it in the short term is to have a loop of the form:
> 
>         while (guest_size>  target) {
>                 shrink_all_memory(guest_size - target);         /* force pages to be free */
>                 while (p = alloc_page(GFP_NORETRY))             /* vacuum up pages */
>                         release_page_to_hypervisor(p);
>                 /* twiddle thumbs */
>         }

We also need to remember to consolidate the Xen and virtio-balloon
drivers.  They both have their own GFP flags, for instance, but I think
they actually want the exact same thing.  They could probably also share
that snippet, right?

-- Dave

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