[PATCH] memhotplug: register_ and unregister_memory_notifier should be global

Both register_memory_notifer and unregister_memory_notifier are global and
declared so in linux/memory.h.  Update the HOTPLUG specific definitions to
match.  This fixes a compile warning when HOTPLUG is enabled.
Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/base/memory.c

@@ -49,12 +49,12 @@ static struct kset_uevent_ops memory_uevent_ops = {
 
 static struct notifier_block *memory_chain;
 
-static int register_memory_notifier(struct notifier_block *nb)
+int register_memory_notifier(struct notifier_block *nb)
 {
         return notifier_chain_register(&memory_chain, nb);
 }
 
-static void unregister_memory_notifier(struct notifier_block *nb)
+void unregister_memory_notifier(struct notifier_block *nb)
 {
         notifier_chain_unregister(&memory_chain, nb);
 }