diff -r bd3d6b4c52ec linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/hypervisor.h
--- a/linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/hypervisor.h	Fri Jun 01 14:50:52 2007 +0100
+++ b/linux-2.6-xen-sparse/include/asm-i386/mach-xen/asm/hypervisor.h	Wed Jun 06 14:21:34 2007 -0400
@@ -51,6 +51,8 @@
 #  else
 #   include <asm-generic/pgtable-nopmd.h>
 #  endif
+#elif defined(__x86_64__) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11)
+#  include <asm-generic/pgtable-nopmd.h>
 #endif
 
 extern shared_info_t *HYPERVISOR_shared_info;