Commit 8d3eaea2 authored Nov 11, 2010 by Jeremy Fitzhardinge Committed by Konrad Rzeszutek Wilk Jan 11, 2011

xen/gntdev: add VM_PFNMAP to vma



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>

parent ab31523c

drivers/xen/gntdev.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -564,7 +564,7 @@ static int gntdev_mmap(struct file flip, struct vm_area_struct vma)

		vma->vm_ops = &gntdev_vmops;

		vma->vm_flags \|= VM_RESERVED\|VM_DONTCOPY\|VM_DONTEXPAND;
		vma->vm_flags \|= VM_RESERVED\|VM_DONTCOPY\|VM_DONTEXPAND\|VM_PFNMAP;

		vma->vm_private_data = map;
		map->vma = vma;