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Date: Fri, 11 Jan 2013 19:08:59 +0800
From: Lin Feng <linfeng@cn.fujitsu.com>
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Subject: Re: mmots: memory-hotplug: implement register_page_bootmem_info_section
 of sparse-vmemmap fix
References: <20130111095658.GC7286@dhcp22.suse.cz> <20130111101745.GD7286@dhcp22.suse.cz> <20130111102924.GE7286@dhcp22.suse.cz> <20130111104759.GF7286@dhcp22.suse.cz>
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To: Michal Hocko <mhocko@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>, Wen Congyang <wency@cn.fujitsu.com>, Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>, Tang Chen <tangchen@cn.fujitsu.com>, Wu Jianguo <wujianguo@huawei.com>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, Jiang Liu <jiang.liu@huawei.com>, Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, Lai Jiangshan <laijs@cn.fujitsu.com>, Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>, linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>

Hi Michal,

On 01/11/2013 06:47 PM, Michal Hocko wrote:
> Signed-off-by: Michal Hocko <mhocko@suse.cz>
> ---
>  arch/x86/mm/init_64.c |    3 +++
>  include/linux/mm.h    |    2 ++
>  2 files changed, 5 insertions(+)
> 
> diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
> index ddd3b58..d8edf52 100644
> --- a/arch/x86/mm/init_64.c
> +++ b/arch/x86/mm/init_64.c
> @@ -32,6 +32,7 @@
>  #include <linux/memory_hotplug.h>
linux/memory_hotplug.h has already been included here.

I think it's OK to add add the missing CONFIG option or move
the memory-hotlug related complaint code into the CONFIG span. 

thanks,
linfeng
>  #include <linux/nmi.h>
>  #include <linux/gfp.h>
> +#include <linux/memory_hotplug.h>

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