$NetBSD: patch-aa,v 1.1 2007/08/17 17:26:04 bouyer Exp $

--- xen/include/asm-x86/page.h.orig	2007-08-16 22:23:58.000000000 +0200
+++ xen/include/asm-x86/page.h	2007-08-16 22:24:43.000000000 +0200
@@ -331,7 +331,7 @@
  * WARNING: This will need to be disabled to run OSes that use the spare PTE
  * bits themselves (e.g., *BSD).
  */
-#ifndef NDEBUG
+#if 0
 #define _PAGE_GNTTAB   _PAGE_AVAIL2
 #else
 #define _PAGE_GNTTAB   0