From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752527AbXCMAio (ORCPT ); Mon, 12 Mar 2007 20:38:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752519AbXCMAio (ORCPT ); Mon, 12 Mar 2007 20:38:44 -0400 Received: from ozlabs.org ([203.10.76.45]:45234 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752512AbXCMAio (ORCPT ); Mon, 12 Mar 2007 20:38:44 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17909.62028.117035.287313@cargo.ozlabs.ibm.com> Date: Tue, 13 Mar 2007 11:37:32 +1100 From: Paul Mackerras To: David Miller Cc: clameter@sgi.com, linux-kernel@vger.kernel.org, ak@suse.com, holt@sgi.com, linux-ia64@vger.kernel.org, mpm@selenic.com Subject: Re: [QUICKLIST 0/6] Arch independent quicklists V1 In-Reply-To: <20070312.155157.74747634.davem@davemloft.net> References: <20070311020923.19905.49260.sendpatchset@schroedinger.engr.sgi.com> <20070312.155157.74747634.davem@davemloft.net> X-Mailer: VM 7.19 under Emacs 21.4.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org David Miller writes: > I ported this to sparc64 as per the patch below, tested on > UP SunBlade1500 and 24 cpu Niagara T1000. Did you see any performance improvement? We used to have quicklists on ppc, but I remain to be convinced that they actually help. Also, I didn't understand why we have to do quicklists to take advantage of the fact that the pages are in a pristine state when they are freed. I thought the whole point of the slab allocator was to be able to take advantage of that... Paul.