Re: [PATCH v6, part3 02/16] mm: enhance free_reserved_area() to support poisoning memory with zero

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To: Jiang Liu <liuj97@xxxxxxxxx>
Subject: Re: [PATCH v6, part3 02/16] mm: enhance free_reserved_area() to support poisoning memory with zero
From: David Howells <dhowells@xxxxxxxxxx>
Date: Mon, 13 May 2013 10:41:17 +0100
Cc: dhowells@xxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Jiang Liu <jiang.liu@xxxxxxxxxx>, David Rientjes <rientjes@xxxxxxxxxx>, Wen Congyang <wency@xxxxxxxxxxxxxx>, Mel Gorman <mgorman@xxxxxxx>, Minchan Kim <minchan@xxxxxxxxxx>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxx>, James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>, Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>, Mark Salter <msalter@xxxxxxxxxx>, Jianguo Wu <wujianguo@xxxxxxxxxx>, linux-mm@xxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
In-reply-to: <1368293689-16410-3-git-send-email-jiang.liu@huawei.com>
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Jiang Liu <liuj97@xxxxxxxxx> wrote:

> +	free_reserved_area((void *)start, (void *)end, -1, "initrd");

Do you mean -1 or ULONG_MAX?

David
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References:
- [PATCH v6, part3 02/16] mm: enhance free_reserved_area() to support poisoning memory with zero
  - From: Jiang Liu
- [PATCH v6, part3 00/16] accurately calculate memory statisitic information
  - From: Jiang Liu

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