vfio: remap_pfn_range() sets all those flags...

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>

drivers/vfio/pci/vfio_pci.c

@@ -499,7 +499,6 @@ static int vfio_pci_mmap(void *device_data, struct vm_area_struct *vma)
 	}
 
 	vma->vm_private_data = vdev;
-	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 	vma->vm_pgoff = (pci_resource_start(pdev, index) >> PAGE_SHIFT) + pgoff;