linux-kernel - Re: [PATCH] [mm] limit the min_free

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Message-ID: <20080521104643.3c7165ce@core>
Date:	Wed, 21 May 2008 10:46:43 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Li Yang <leoli@...escale.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Kong Wei <weikong@...flag-linux.com>
Subject: Re: [PATCH] [mm] limit the min_free_kbytes

On Wed, 21 May 2008 17:34:41 +0800
Li Yang <leoli@...escale.com> wrote:

> From: Kong Wei <weikong@...flag-linux.com>
> 
> Unlimited of min_free_kbytes is dangerous,
> An user of our company set this value bigger than 3584*1024*K,
> cause the system OOM on DMA.

You need to be root to set this value, and as root you could equally just
type "halt", run a real time process in a tight loop or reformat the hard
disk.

NAK this patch

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