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xen/gntdev: add VM_PFNMAP to vma

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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>
This commit is contained in:
Jeremy Fitzhardinge 2010-11-11 14:39:12 -08:00 committed by Konrad Rzeszutek Wilk
parent ab31523c2f
commit 8d3eaea246
1 changed files with 1 additions and 1 deletions
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2
drivers/xen/gntdev.c
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@ -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;