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

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Message-ID: <15961.1368438077@warthog.procyon.org.uk>
Date:	Mon, 13 May 2013 10:41:17 +0100
From:	David Howells <dhowells@...hat.com>
To:	Jiang Liu <liuj97@...il.com>
Cc:	dhowells@...hat.com, Andrew Morton <akpm@...ux-foundation.org>,
	Jiang Liu <jiang.liu@...wei.com>,
	David Rientjes <rientjes@...gle.com>,
	Wen Congyang <wency@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>, Minchan Kim <minchan@...nel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Michal Hocko <mhocko@...e.cz>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Mark Salter <msalter@...hat.com>,
	Jianguo Wu <wujianguo@...wei.com>, linux-mm@...ck.org,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [PATCH v6, part3 02/16] mm: enhance free_reserved_area() to support poisoning memory with zero

Jiang Liu <liuj97@...il.com> wrote:

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

Do you mean -1 or ULONG_MAX?

David
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