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[Xen-devel] Re: [Linux PATCH] Mark hugepages to the hypervisor to speed
On Wednesday, June 09, 2010, Jeremy Fitzhardinge wrote:
> > + return 1;
> > + }
> > + for (i = 0, m = mfn; i < HPAGE_SIZE/PAGE_SIZE; i++, pfn++, m++) {
> > + if (pfn_to_mfn(pfn) != m) {
> > + printk("Guest pages are not properly aligned to use
> > hugepages\n");
> >
> >
>
> Isn't this a superset of the previous test?
The code is doublechecking to make sure this hugepage is actually contiguous
at the machine level.
Dave McCracken
Oracle Corp.
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