netdev - Re: [PATCH] drivers/base: export (un)register_memory

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Message-Id: <1201886317.11808.32.camel@dyn9047017100.beaverton.ibm.com>
Date:	Fri, 01 Feb 2008 09:18:37 -0800
From:	Badari Pulavarty <pbadari@...ibm.com>
To:	Jan-Bernd Themann <ossthema@...ibm.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Jan-Bernd Themann <themann@...ibm.com>,
	Thomas Klein <osstklei@...ibm.com>,
	Christoph Raisch <RAISCH@...ibm.com>,
	Marcus Eder <meder@...ibm.com>,
	netdev <netdev@...r.kernel.org>,
	Stefan Roscher <stefan.roscher@...ibm.com>
Subject: Re: [PATCH] drivers/base: export (un)register_memory_notifier

On Fri, 2008-02-01 at 17:16 +0100, Jan-Bernd Themann wrote:
> Drivers like eHEA need memory notifiers in order to 
> update their internal DMA memory map when memory is added
> to or removed from the system.
> 
> Signed-off-by: Jan-Bernd Themann <themann@...ibm.com>
> 
> ---
>  Comment: eHEA patches that exploit these functions will follow
> 
> 
>  drivers/base/memory.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/base/memory.c b/drivers/base/memory.c
> index 7ae413f..1e1bd4c 100644
> --- a/drivers/base/memory.c
> +++ b/drivers/base/memory.c
> @@ -52,11 +52,13 @@ int register_memory_notifier(struct notifier_block *nb)
>  {
>          return blocking_notifier_chain_register(&memory_chain, nb);
>  }
> +EXPORT_SYMBOL(register_memory_notifier);
> 
>  void unregister_memory_notifier(struct notifier_block *nb)
>  {
>          blocking_notifier_chain_unregister(&memory_chain, nb);
>  }
> +EXPORT_SYMBOL(unregister_memory_notifier);
> 
>  /*
>   * register_memory - Setup a sysfs device for a memory block

Is there a reason for not making them EXPORT_SYMBOL_GPL() ?
Otherwise, looks good to me.

I have been planning to send this as part of my next update
with ppc64 arch-specific remove support and generic __remove_pages()
support. If this is blocking your work, lets get this in.

Acked-by: Badari Pulavarty <pbadari@...ibm.com>

Thanks,
Badari

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