From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 10 Nov 2005 16:51:19 -0800 From: William Lee Irwin III 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: Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Adam Litke , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kenneth.w.chen@intel.com, akpm@osdl.org List-ID: 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, 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