Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932297AbVKKBAt (ORCPT ); Thu, 10 Nov 2005 20:00:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932311AbVKKBAt (ORCPT ); Thu, 10 Nov 2005 20:00:49 -0500 Received: from holomorphy.com ([66.93.40.71]:51383 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S932297AbVKKBAs (ORCPT ); Thu, 10 Nov 2005 20:00:48 -0500 Date: Thu, 10 Nov 2005 16:51:19 -0800 From: William Lee Irwin III To: Christoph Lameter Cc: Adam Litke , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kenneth.w.chen@intel.com, akpm@osdl.org Subject: Re: [PATCH] dequeue a huge page near to this node Message-ID: <20051111005119.GQ29402@holomorphy.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1047 Lines: 23 On Thu, Nov 10, 2005 at 03:27:12PM -0800, Christoph Lameter wrote: > The following patch changes the dequeueing to select a huge page near > the node executing instead of always beginning to check for free > nodes from node 0. This will result in a placement of the huge pages near > the executing processor improving performance. > The existing implementation can place the huge pages far away from > the executing processor causing significant degradation of performance. > The search starting from zero also means that the lower zones quickly > run out of memory. Selecting a huge page near the process distributed the > huge pages better. > Signed-off-by: Christoph Lameter Long intended to have been corrected. Thanks. Acked-by: William Irwin -- wli - 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/