xen/gntdev: add VM_PFNMAP to vma
authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Thu, 11 Nov 2010 22:39:12 +0000 (14:39 -0800)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tue, 11 Jan 2011 19:31:00 +0000 (14:31 -0500)
These pages are from other domains, so don't have any local PFN.
VM_PFNMAP is the closest concept Linux has to this.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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