diff --git a/include/asm-frv/pgtable.h b/include/asm-frv/pgtable.h
index ba1b37d..8a05aa1 100644
--- a/include/asm-frv/pgtable.h
+++ b/include/asm-frv/pgtable.h
@@ -70,7 +70,11 @@
 
 #define swapper_pg_dir		((pgd_t *) NULL)
 
-#define pgtable_cache_init()	do {} while(0)
+#define pgtable_cache_init()		do {} while (0)
+#define arch_enter_lazy_mmu_mode()	do {} while (0)
+#define arch_leave_lazy_mmu_mode()	do {} while (0)
+#define arch_enter_lazy_cpu_mode()	do {} while (0)
+#define arch_leave_lazy_cpu_mode()	do {} while (0)
 
 #else /* !CONFIG_MMU */
 /*****************************************************************************/