linux-kernel - Re: mmots: memory-hotplug: implement register_page_bootmem_info

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Date:	Fri, 11 Jan 2013 19:08:59 +0800
From:	Lin Feng <linfeng@...fujitsu.com>
To:	Michal Hocko <mhocko@...e.cz>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Wen Congyang <wency@...fujitsu.com>,
	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>,
	Tang Chen <tangchen@...fujitsu.com>,
	Wu Jianguo <wujianguo@...wei.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Jiang Liu <jiang.liu@...wei.com>,
	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: mmots: memory-hotplug: implement register_page_bootmem_info_section
 of sparse-vmemmap fix

Hi Michal,

On 01/11/2013 06:47 PM, Michal Hocko wrote:
> Signed-off-by: Michal Hocko <mhocko@...e.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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