Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 2 Jan 2003 18:43:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 2 Jan 2003 18:43:51 -0500 Received: from holomorphy.com ([66.224.33.161]:41158 "EHLO holomorphy") by vger.kernel.org with ESMTP id ; Thu, 2 Jan 2003 18:43:51 -0500 Date: Thu, 2 Jan 2003 15:51:47 -0800 From: William Lee Irwin III To: "Jeff V. Merkey" Cc: linux-kernel@vger.kernel.org, jmerkey@timpanogas.org Subject: Re: Questton about Zone Allocation 2.4.X Message-ID: <20030102235147.GS9704@holomorphy.com> Mail-Followup-To: William Lee Irwin III , "Jeff V. Merkey" , linux-kernel@vger.kernel.org, jmerkey@timpanogas.org References: <20030102175517.A21471@vger.timpanogas.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030102175517.A21471@vger.timpanogas.org> 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: 1103 Lines: 25 On Thu, Jan 02, 2003 at 05:55:17PM -0700, Jeff V. Merkey wrote: > I have a system in the lab with 4GB of physical and the system can see all > the memory, however, calls to get_free_pages() will only allocate up to 1GB > of this memory before returning an out of memory condition. I have reviewed > Ingo's changes and enhancements with the zone allocator and it certainly > looks like this code has the smarts to balance the contiguous free pages > on the zone allocation lists. I need to be able to get more than 1GB to > pin for a particular application. Where do I need to adjust the tuning > to allow 2.4.X kernels to allocate mote than 1GB from the physical pages > list? > Any help would be appreciated. > Thanks > Jeff Merkey > Network Associates __get_free_pages() allocates from lowmem (i.e. 0-4GB) only. Allocate from highmem instead. 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/