--- a/common/lib/modules/fglrx/build_mod/kcl_ioctl.c	2012-05-26 19:11:03.402987821 +0200
+++ b/common/lib/modules/fglrx/build_mod/kcl_ioctl.c	2012-05-26 19:13:00.273986422 +0200
@@ -217,6 +217,10 @@
  *  \param size [in] Number of bytes to allocate
  *  \return Pointer to allocated memory
  */
+#ifndef CONFIG_X86_X32
+DEFINE_PER_CPU(unsigned long, old_rsp);
+#endif
+
 void* ATI_API_CALL KCL_IOCTL_AllocUserSpace32(long size)
 {
     void __user *ret = COMPAT_ALLOC_USER_SPACE(size);