Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757066AbYGRPWy (ORCPT ); Fri, 18 Jul 2008 11:22:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754496AbYGRPWq (ORCPT ); Fri, 18 Jul 2008 11:22:46 -0400 Received: from anchor-post-30.mail.demon.net ([194.217.242.88]:2289 "EHLO anchor-post-30.mail.demon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754458AbYGRPWq (ORCPT ); Fri, 18 Jul 2008 11:22:46 -0400 Subject: Re: [PATCH][RFC] slub: increasing order reduces memory usage of some key caches From: Richard Kennedy To: Christoph Lameter Cc: penberg@cs.helsinki.fi, mpm@selenic.com, linux-mm , lkml , Mel Gorman In-Reply-To: <4880AEFE.3060909@linux-foundation.org> References: <1216211371.3122.46.camel@castor.localdomain> <487DF5D4.9070101@linux-foundation.org> <1216216730.3122.60.camel@castor.localdomain> <487DFFBE.5050407@linux-foundation.org> <1216375025.3082.7.camel@castor.localdomain> <4880A694.1000100@linux-foundation.org> <1216392177.3082.27.camel@castor.localdomain> <4880AEFE.3060909@linux-foundation.org> Content-Type: text/plain Date: Fri, 18 Jul 2008 16:22:40 +0100 Message-Id: <1216394560.3082.32.camel@castor.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.12.3 (2.12.3-5.fc8) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 631 Lines: 16 On Fri, 2008-07-18 at 09:55 -0500, Christoph Lameter wrote: > OK that is now 4215 pages before and 4112 after the patch? Yawn.... So barely any effect? Well it's not huge but there's another 100+ pages out of radix_tree, too. & I've not inspected the rest of the cache usage. I hope there's nowhere in the kernel wasting large amounts of memory -- that's what userspace is for ;) -- 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/