diff --git a/include/asm-sh/page.h b/include/asm-sh/page.h
index e21b0d12e139..cdaacefe509b 100644
--- a/include/asm-sh/page.h
+++ b/include/asm-sh/page.h
@@ -45,6 +45,8 @@
 #define HPAGE_SHIFT	22
 #elif defined(CONFIG_HUGETLB_PAGE_SIZE_64MB)
 #define HPAGE_SHIFT	26
+#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512MB)
+#define HPAGE_SHIFT	29
 #endif
 
 #ifdef CONFIG_HUGETLB_PAGE