linux-kernel - Re: [BUGFIX][mmotm] fix walk system ram range patch (Was Re: mmotm on powerpc: walk_memory

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Date:	Wed, 16 Sep 2009 16:25:12 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ben Herrenschmidt <benh@...nel.crashing.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [BUGFIX][mmotm] fix walk system ram range patch (Was Re: mmotm on 
	powerpc: walk_memory_resource?

2009/9/16 KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>:
> On Tue, 15 Sep 2009 22:36:26 +0100 (BST)
> Hugh Dickins <hugh.dickins@...cali.co.uk> wrote:
>
>> Recent mmotm builds on powerpc have been failing with
>>
>> arch/powerpc/mm/mem.c:169: error: ‘walk_memory_resource’ undeclared here (not in a function)
>> cc1: warnings being treated as errors
>> arch/powerpc/mm/mem.c:169: error: type defaults to ‘int’ in declaration of ‘walk_memory_resource’
>> make[1]: *** [arch/powerpc/mm/mem.o] Error 1
>>
> Thank you for pointing out.
> -Kame
> ==
>
>
> walk-system-ram-range.patch renames walk_memory_resource()
> to be walk_system_ram_range().
> But powerpc has its own one and it's exported.
> (Because ehea driver (IBM's one) uses this, powerpc export this.)
>
>> arch/powerpc/mm/mem.c:169: error: ‘walk_memory_resource’ undeclared here (not in a function)
>> cc1: warnings being treated as errors
>> arch/powerpc/mm/mem.c:169: error: type defaults to ‘int’ in declaration of ‘walk_memory_resource’
>> make[1]: *** [arch/powerpc/mm/mem.o] Error 1
>>
> The patch failed to update powerpc's EXPORT_SYMBOL, this patch fixes it.
>
> Reported-by: Hugh Dickins <hugh.dickins@...cali.co.uk>
> Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>


Acked-by: WANG Cong <xiyou.wangcong@...il.com>

>
> ---
>  arch/powerpc/mm/mem.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: mmotm-2.6.31-Sep14/arch/powerpc/mm/mem.c
> ===================================================================
> --- mmotm-2.6.31-Sep14.orig/arch/powerpc/mm/mem.c
> +++ mmotm-2.6.31-Sep14/arch/powerpc/mm/mem.c
> @@ -166,7 +166,7 @@ walk_system_ram_range(unsigned long star
>        }
>        return ret;
>  }
> -EXPORT_SYMBOL_GPL(walk_memory_resource);
> +EXPORT_SYMBOL_GPL(walk_system_ram_range);
>
>  /*
>  * Initialize the bootmem system and give it all the memory we
>
--
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