Re: [PATCH 2/4] register_ and unregister_memory_notifier should be global

[Andrew Morton <akpm@osdl.org>]

Andy Whitcroft <apw@shadowen.org> wrote:
>
> Both register_memory_notifer and unregister_memory_notifier are global
> and declared so in linux.h.  Update the HOTPLUG specific definitions
> to match.  This fixes a compile warning when HOTPLUG is enabled.
> 

There is no linux.h and I can find no .h file which declares
register_memory_notifier().  Please clarify?


> ---
>  memory.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> diff -upN reference/drivers/base/memory.c current/drivers/base/memory.c
> --- reference/drivers/base/memory.c
> +++ current/drivers/base/memory.c
> @@ -50,12 +50,12 @@ static struct kset_hotplug_ops memory_ho
>  
>  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);
>  }
-
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