diff --git a/arch/blackfin/include/asm/pda.h b/arch/blackfin/include/asm/pda.h
index 28c2498c9c98..68d6f6618f2a 100644
--- a/arch/blackfin/include/asm/pda.h
+++ b/arch/blackfin/include/asm/pda.h
@@ -13,7 +13,9 @@
 #ifndef __ASSEMBLY__
 
 struct blackfin_pda {			/* Per-processor Data Area */
+#ifdef CONFIG_SMP
 	struct blackfin_pda *next;
+#endif
 
 	unsigned long syscfg;
 #ifdef CONFIG_SMP