Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030572AbWK3Ppi (ORCPT ); Thu, 30 Nov 2006 10:45:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030594AbWK3Ppi (ORCPT ); Thu, 30 Nov 2006 10:45:38 -0500 Received: from il.qumranet.com ([62.219.232.206]:28821 "EHLO cleopatra.q") by vger.kernel.org with ESMTP id S1030572AbWK3Pph (ORCPT ); Thu, 30 Nov 2006 10:45:37 -0500 Message-ID: <456EFC9F.9060607@argo.co.il> Date: Thu, 30 Nov 2006 17:45:35 +0200 From: Avi Kivity User-Agent: Thunderbird 1.5.0.8 (X11/20061107) MIME-Version: 1.0 To: Alan CC: Yaroslav Halchenko , linux kernel mailing list Subject: Re: kswapd/tg3 issue References: <20061130144355.GK2021@washoe.onerussian.com> <20061130150406.3d0b6afd@localhost.localdomain> <20061130151003.GM2021@washoe.onerussian.com> <20061130153906.59d78223@localhost.localdomain> In-Reply-To: <20061130153906.59d78223@localhost.localdomain> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 912 Lines: 22 Alan wrote: > Under heavy network or I/O pressure it may not have time to swap to get > the memory. Thus adding swap won't usually help. Adding RAM may do but > its often not the best answer. Arjan's suggestion should sort it, and - > yes typically boxes with very high I/O and network load need more of a > pool of memory free for immediate use than other systems. > It could be nice if the kernel could autotune this, for example by raising the free memory goal when memory shortage is detected, and lowering it gradually when not. The sysctl could be a minimum from which this is calculated. -- error compiling committee.c: too many arguments to function - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/