+#define MAX_PHYSADDR_BITS 44
+#define MAX_PHYSMEM_BITS 44
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern void create_section_mapping(unsigned long start, unsigned long end);
+#ifdef CONFIG_NUMA
+extern int hot_add_scn_to_nid(unsigned long scn_addr);
+#else
+static inline int hot_add_scn_to_nid(unsigned long scn_addr)
+{
+ return 0;
+}
+#endif /* CONFIG_NUMA */
+#endif /* CONFIG_MEMORY_HOTPLUG */