--- testing/arch/um/sys-x86_64/syscalls.c.orig	2006-04-28 13:27:33.000000000 +0200
+++ testing/arch/um/sys-x86_64/syscalls.c	2006-04-28 17:31:14.000000000 +0200
@@ -9,6 +9,7 @@
 #include "linux/shm.h"
 #include "linux/utsname.h"
 #include "linux/personality.h"
+#include "linux/vs_cvirt.h"
 #include "asm/uaccess.h"
 #define __FRAME_OFFSETS
 #include "asm/ptrace.h"