Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 2 Aug 2002 00:22:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 2 Aug 2002 00:22:25 -0400 Received: from pizda.ninka.net ([216.101.162.242]:58016 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Fri, 2 Aug 2002 00:22:25 -0400 Date: Thu, 01 Aug 2002 21:13:57 -0700 (PDT) Message-Id: <20020801.211357.93822733.davem@redhat.com> To: torvalds@transmeta.com Cc: linux-kernel@vger.kernel.org Subject: Re: large page patch From: "David S. Miller" In-Reply-To: References: <3D49D45A.D68CCFB4@zip.com.au> <737220000.1028250590@flay> X-Mailer: Mew version 2.1 on Emacs 21.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 736 Lines: 17 From: torvalds@transmeta.com (Linus Torvalds) Date: Fri, 2 Aug 2002 04:07:10 +0000 (UTC) Of course, if you can actually measure it, that would be interesting. Naive math gives you a guess for the order of magnitude effect, but nothing beats real numbers ;) The SYSV folks actually did have a buddy allocator a long time ago and they did implement lazy coalescing because is supposedly improved performance. See chapter 12 section 7 in "Unix Internals" by Uresh Vahalia. - 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/