mips: sg_page() fallout

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index b0b034c..b1b4052 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -13,6 +13,7 @@
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/string.h>
+#include <linux/scatterlist.h>
 
 #include <asm/cache.h>
 #include <asm/io.h>