diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c
index 934985d..4097987 100644
--- a/drivers/xen/gntalloc.c
+++ b/drivers/xen/gntalloc.c
@@ -535,7 +535,7 @@
 
 	vma->vm_private_data = vm_priv;
 
-	vma->vm_flags |= VM_RESERVED | VM_DONTEXPAND;
+	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
 
 	vma->vm_ops = &gntalloc_vmops;