diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 82c0a0c..d6b018c 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -41,6 +41,7 @@
 #include <asm/smp.h>
 #include <asm/mmu_context.h>
 #include <asm/mmzone.h>
+#include <asm/sparsemem.h>
 
 /*
  * Initialize loops_per_jiffy as 10000000 (1000MIPS).