Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 1 Sep 2002 19:28:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 1 Sep 2002 19:28:47 -0400 Received: from holomorphy.com ([66.224.33.161]:32406 "EHLO holomorphy") by vger.kernel.org with ESMTP id ; Sun, 1 Sep 2002 19:28:47 -0400 Date: Sun, 1 Sep 2002 16:28:04 -0700 From: William Lee Irwin III To: Andrew Morton Cc: Daniel Phillips , Christian Ehrhardt , Linus Torvalds , Marcelo Tosatti , linux-kernel@vger.kernel.org Subject: Re: [RFC] [PATCH] Include LRU in page count Message-ID: <20020901232804.GF18114@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Andrew Morton , Daniel Phillips , Christian Ehrhardt , Linus Torvalds , Marcelo Tosatti , linux-kernel@vger.kernel.org References: <3D644C70.6D100EA5@zip.com.au> <20020901212943Z16578-4014+1360@humbolt.nl.linux.org> <3D729020.4DFDAC2B@zip.com.au> <3D729DD3.AE3681C9@zip.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Description: brief message Content-Disposition: inline In-Reply-To: <3D729DD3.AE3681C9@zip.com.au> 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: 1058 Lines: 25 On Sun, Sep 01, 2002 at 04:08:03PM -0700, Andrew Morton wrote: > My approach was to keep the existing design and warm it up, rather than to > redesign. Is it "good enough" now? Dunno - nobody has run the tests > with slablru. But it's probably too late for a redesign (such as per-cpu LRU, > per-mapping lru, etc). > > It would be great to make presence on the LRU contribute to > page->count, because that would permit the removal of a ton of > page_cache_get/release operations inside the LRU lock, perhaps > doubling throughput in there. Guess I should get off my lazy butt > and see what you've done (will you for heaven's sake go and buy an IDE > disk and compile up a 2.5 kernel? :)) I've at least been testing (if not at least attempting to debug) 2.5.32-mm2, which includes slablru. 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/