From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 4 Jan 2003 21:07:55 -0800 From: William Lee Irwin III Subject: Re: [PATCH] rewritten page coloring for 2.4.20 kernel Message-ID: <20030105050755.GH9704@holomorphy.com> References: <3.0.6.32.20030104233111.007ed3c0@boo.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3.0.6.32.20030104233111.007ed3c0@boo.net> Sender: owner-linux-mm@kvack.org Return-Path: To: Jason Papadopoulos Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: On Sat, Jan 04, 2003 at 11:31:11PM -0500, Jason Papadopoulos wrote: > Hello. After a year in stasis, I've completely rebuilt my kernel > patch that implements page coloring. Improvements include: > - Page coloring is now hardwired into the kernel. The hash > queues now use bootmem, and page coloring is always on. The > patch still creates /proc/page_color for statistics, but that > will go away in time. > - Automatic detection of external cache size on many architectures. > I have no idea if any of this code works, since I don't have any > of the target machines. The preferred way to initialize the coloring > is by passing "page_color=" as a boot > argument. > - NUMA-safe, discontig-safe > Right now the actual page coloring algorithm is the same as in previous > patches, and performs the same. In the next few weeks I'll be trying new > ideas that will hopefully reduce fragmentation and increase performance. > This is an early attempt to get some feedback on mistakes I may have made. Any chance for a 2.5.x-mm port? This is a bit feature-ish for 2.4.x. Thanks, Bill -- 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/