[PATCH] revised Memory Add Fixes for ppc64

Add the create_section_mapping() routine to create hptes for memory
sections dynamically added after system boot.

Signed-off-by: Mike Kravetz <kravetz@us.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

include/asm-powerpc/sparsemem.h

@@ -11,6 +11,10 @@
 #define MAX_PHYSADDR_BITS       38
 #define MAX_PHYSMEM_BITS        36
 
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern void create_section_mapping(unsigned long start, unsigned long end);
+#endif /* CONFIG_MEMORY_HOTPLUG */
+
 #endif /* CONFIG_SPARSEMEM */
 
 #endif /* _ASM_POWERPC_SPARSEMEM_H */