Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 13 Sep 2002 17:31:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 13 Sep 2002 17:31:51 -0400 Received: from holomorphy.com ([66.224.33.161]:9685 "EHLO holomorphy") by vger.kernel.org with ESMTP id ; Fri, 13 Sep 2002 17:31:50 -0400 Date: Fri, 13 Sep 2002 14:30:42 -0700 From: William Lee Irwin III To: Alan Cox Cc: Andrew Morton , Dave Hansen , "Martin J. Bligh" , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] per-zone kswapd process Message-ID: <20020913213042.GD3530@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Alan Cox , Andrew Morton , Dave Hansen , "Martin J. Bligh" , linux-kernel@vger.kernel.org, linux-mm@kvack.org References: <3D815C8C.4050000@us.ibm.com> <3D81643C.4C4E862C@digeo.com> <20020913045938.GG2179@holomorphy.com> <1031922352.9056.14.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Description: brief message Content-Disposition: inline In-Reply-To: <1031922352.9056.14.camel@irongate.swansea.linux.org.uk> User-Agent: Mutt/1.3.25i Organization: The Domain of Holomorphy Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 874 Lines: 21 On Fri, 2002-09-13 at 05:59, William Lee Irwin III wrote: >> Machines without observable NUMA effects can benefit from it if it's >> per-zone. It also follows that if there's more than one task doing this, >> page replacement is less likely to block entirely. Last, but not least, >> when I devised it, "per-zone" was the theme. On Fri, Sep 13, 2002 at 02:05:52PM +0100, Alan Cox wrote: > It will also increase the amount of disk head thrashing surely ? I doubt it. Writeout isn't really supposed to happen there in 2.4 either, except under duress. OTOH I've not been doing much with this directly since rmap10c. Cheers, Bill - 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/