linux-kernel - Re: [PATCH v2 4/5] page_alloc: Make movablecore

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Date:	Thu, 06 Dec 2012 10:57:06 +0800
From:	Tang Chen <tangchen@...fujitsu.com>
To:	Jianguo Wu <wujianguo@...wei.com>
CC:	Jiang Liu <jiang.liu@...wei.com>, Jiang Liu <liuj97@...il.com>,
	hpa@...or.com, akpm@...ux-foundation.org, rob@...dley.net,
	isimatu.yasuaki@...fujitsu.com, laijs@...fujitsu.com,
	wency@...fujitsu.com, linfeng@...fujitsu.com, yinghai@...nel.org,
	kosaki.motohiro@...fujitsu.com, minchan.kim@...il.com,
	mgorman@...e.de, rientjes@...gle.com, rusty@...tcorp.com.au,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-doc@...r.kernel.org
Subject: Re: [PATCH v2 4/5] page_alloc: Make movablecore_map has higher priority

Hi Liu, Wu,

I got it, thank you very much. The idea is very helpful. :)
I'll apply your patches and do some tests later.

Thanks. :)


On 12/06/2012 10:51 AM, Jianguo Wu wrote:
> Hi Tang,
>
> There is a bug in Gerry's patch, please apply this patch to fix it.
>
> ---
>   mm/page_alloc.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 41c3b51..d981810 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -4383,7 +4383,7 @@ static int __init find_zone_movable_from_movablecore_map(void)
>   			 */
>   			start_pfn = max(start_pfn,
>   					movablecore_map.map[map_pos].start);
> -			zone_movable_pfn[nid] = roundup(zone_movable_pfn[nid],
> +			zone_movable_pfn[nid] = roundup(start_pfn,
>   							MAX_ORDER_NR_PAGES);
>   			break;
>   		}

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