ACPI add ia64 exports to build acpi_memhotplug as a module

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index cafa877..11f0800 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -671,9 +671,11 @@
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(add_memory);
 
 int remove_memory(u64 start, u64 size)
 {
 	return -EINVAL;
 }
+EXPORT_SYMBOL_GPL(remove_memory);
 #endif