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Date: Wed, 15 Dec 2010 13:40:38 +0000 From: stefano.stabellini@...citrix.com To: linux-kernel@...r.kernel.org Cc: xen-devel@...ts.xensource.com, Jeremy Fitzhardinge <Jeremy.Fitzhardinge@...rix.com>, Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com> Subject: [PATCH 03/11] xen/gntdev: add VM_PFNMAP to vma From: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com> 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@...rix.com> --- drivers/xen/gntdev.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 45898d4..cf61c7d 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -574,6 +574,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) vma->vm_flags |= VM_RESERVED; vma->vm_flags |= VM_DONTCOPY; vma->vm_flags |= VM_DONTEXPAND; + vma->vm_flags |= VM_PFNMAP; vma->vm_private_data = map; map->vma = vma; -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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