Index: generic/include/mm/tlb.h
===================================================================
--- generic/include/mm/tlb.h	(revision cfa43b8c9d307280a06f90c3dad1708eae455023)
+++ generic/include/mm/tlb.h	(revision 7fc2bec150eb1d5e021a646592e99e93dfb4fe7c)
@@ -34,5 +34,5 @@
 extern void tlb_init(void);
 
-#ifdef __SMP__
+#ifdef CONFIG_SMP
 extern void tlb_shootdown_start(void);
 extern void tlb_shootdown_finalize(void);
@@ -42,5 +42,5 @@
 #  define tlb_shootdown_finalize()	;
 #  define tlb_shootdown_ipi_recv() ;
-#endif /* __SMP__ */
+#endif /* CONFIG_SMP */
 
 /* Export TLB interface that each architecture must implement. */