Index: kernel/arch/sparc64/include/arch/barrier.h
===================================================================
--- kernel/arch/sparc64/include/arch/barrier.h	(revision af9dd1ed6f5d79cc098da33ff7131162b1c177a4)
+++ kernel/arch/sparc64/include/arch/barrier.h	(revision 6d87dce26627d7694e5261b909baec0bd3036471)
@@ -116,5 +116,7 @@
 }
 
-#if defined (US)
+#ifdef KERNEL
+
+#if defined(US)
 
 #define FLUSH_INVAL_MIN  4
@@ -151,4 +153,6 @@
 #endif  /* defined(US3) */
 
+#endif	/* KERNEL */
+
 #endif