xen/gntdev: stop using "token" argument
It's the struct page of the L1 pte page. But we can get its mfn by simply doing an arbitrary_virt_to_machine() on it anyway (which is the safe conservative choice; since we no longer allow HIGHPTE pages, we would never expect to be operating on a mapped pte page). Signed-off-by: NJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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