From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932995AbYEUJ7t (ORCPT ); Wed, 21 May 2008 05:59:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756147AbYEUJ7l (ORCPT ); Wed, 21 May 2008 05:59:41 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:38891 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756600AbYEUJ7k (ORCPT ); Wed, 21 May 2008 05:59:40 -0400 Date: Wed, 21 May 2008 10:46:43 +0100 From: Alan Cox To: Li Yang Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Kong Wei Subject: Re: [PATCH] [mm] limit the min_free_kbytes Message-ID: <20080521104643.3c7165ce@core> In-Reply-To: <1211362481-2136-1-git-send-email-leoli@freescale.com> References: <1211362481-2136-1-git-send-email-leoli@freescale.com> X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 21 May 2008 17:34:41 +0800 Li Yang wrote: > From: Kong Wei > > 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