diff --git a/arch/sparc/mm/init.c b/arch/sparc/mm/init.c
index 7794ecb..a938467 100644
--- a/arch/sparc/mm/init.c
+++ b/arch/sparc/mm/init.c
@@ -22,6 +22,7 @@ #include <linux/initrd.h>
 #include <linux/init.h>
 #include <linux/highmem.h>
 #include <linux/bootmem.h>
+#include <linux/pagemap.h>
 
 #include <asm/system.h>
 #include <asm/vac-ops.h>