+/*
+ * Page allocation orders.
+ */
+#ifndef __s390x__
+# define PTE_ALLOC_ORDER 0
+# define PMD_ALLOC_ORDER 0
+# define PGD_ALLOC_ORDER 1
+#else /* __s390x__ */
+# define PTE_ALLOC_ORDER 0
+# define PMD_ALLOC_ORDER 2
+# define PGD_ALLOC_ORDER 2
+#endif /* __s390x__ */
+