From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with SMTP id 46AB76B01AF for ; Thu, 10 Jun 2010 12:55:30 -0400 (EDT) Received: by pzk36 with SMTP id 36so83465pzk.32 for ; Thu, 10 Jun 2010 09:57:00 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: From: Mulyadi Santosa Date: Thu, 10 Jun 2010 23:56:30 +0700 Message-ID: Subject: Re: oom killer and long-waiting processes Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org To: Ryan Wang Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kernelnewbies@nl.linux.org List-ID: Hi On Thu, Jun 10, 2010 at 14:17, Ryan Wang wrote: > Hi all, > > =A0 =A0 =A0 =A0I have one question about oom killer: > If many processes dealing with network communications, > but due to bad network traffic, the processes have to wait > for a very long time. And meanwhile they may consume > some memeory separately for computation. The number > of such processes may be large. Please refer to my article here : http://linuxdevcenter.com/pub/a/linux/2006/11/30/linux-out-of-memory.html Right now, I can not recall entirely about the rules, but IIRC the processes that do I/O get lower "score". But that doesn't mean it won't be killed if free memory amount is really low... --=20 regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org