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

Jiang Liu <liuj97@gmail.com> wrote:

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

Do you mean -1 or ULONG_MAX?

David

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