linux-kernel - Re: [Patch v4 08/12] memory-hotplug: remove memmap of sparse-vmemmap

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Message-ID: <50BDC694.1060509@cn.fujitsu.com>
Date:	Tue, 04 Dec 2012 17:47:00 +0800
From:	Tang Chen <tangchen@...fujitsu.com>
To:	Wen Congyang <wency@...fujitsu.com>
CC:	x86@...nel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-acpi@...r.kernel.org,
	linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
	linux-ia64@...r.kernel.org, cmetcalf@...era.com,
	sparclinux@...r.kernel.org, David Rientjes <rientjes@...gle.com>,
	Jiang Liu <liuj97@...il.com>, Len Brown <len.brown@...el.com>,
	benh@...nel.crashing.org, paulus@...ba.org,
	Christoph Lameter <cl@...ux.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>,
	Jianguo Wu <wujianguo@...wei.com>
Subject: Re: [Patch v4 08/12] memory-hotplug: remove memmap of sparse-vmemmap

On 11/27/2012 06:00 PM, Wen Congyang wrote:
>   static int __remove_section(struct zone *zone, struct mem_section *ms)
>   {
>   	unsigned long flags;
> @@ -330,9 +317,9 @@ static int __remove_section(struct zone *zone, struct mem_section *ms)
>   	pgdat_resize_lock(pgdat,&flags);
>   	sparse_remove_one_section(zone, ms);
>   	pgdat_resize_unlock(pgdat,&flags);
> -	return 0;
> +
> +	return ret;

I think we don't need to change this line. :)

Reviewed-by: Tang Chen <tangchen@...fujitsu.com>

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