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path: root/drivers/xen/privcmd.c
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Diffstat (limited to 'drivers/xen/privcmd.c')
-rw-r--r--drivers/xen/privcmd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index ef63895..8adb9cc 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -455,7 +455,8 @@ static int privcmd_mmap(struct file *file, struct vm_area_struct *vma)
{
/* DONTCOPY is essential for Xen because copy_page_range doesn't know
* how to recreate these mappings */
- vma->vm_flags |= VM_RESERVED | VM_IO | VM_DONTCOPY | VM_PFNMAP;
+ vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTCOPY |
+ VM_DONTEXPAND | VM_DONTDUMP;
vma->vm_ops = &privcmd_vm_ops;
vma->vm_private_data = NULL;