Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759004AbYGPOFP (ORCPT ); Wed, 16 Jul 2008 10:05:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756844AbYGPOFD (ORCPT ); Wed, 16 Jul 2008 10:05:03 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:48854 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755774AbYGPOFC (ORCPT ); Wed, 16 Jul 2008 10:05:02 -0400 Message-ID: <487DFFBE.5050407@linux-foundation.org> Date: Wed, 16 Jul 2008 09:03:42 -0500 From: Christoph Lameter User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: Richard Kennedy CC: penberg@cs.helsinki.fi, mpm@selenic.com, linux-mm , lkml , Mel Gorman Subject: Re: [PATCH][RFC] slub: increasing order reduces memory usage of some key caches References: <1216211371.3122.46.camel@castor.localdomain> <487DF5D4.9070101@linux-foundation.org> <1216216730.3122.60.camel@castor.localdomain> In-Reply-To: <1216216730.3122.60.camel@castor.localdomain> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 774 Lines: 21 Richard Kennedy wrote: > before > dentry 82136 82137 208 19 1 : tunables 0 0 0 : slabdata 4323 4323 0 > after > dentry 79482 79482 208 39 2 : tunables 0 0 0 : slabdata 2038 2038 0 19 objects with an order 1 alloc and 208 byte size? Urgh. 8192/208 = 39 and not 19. Kmemcheck or something else active? We seem to be loosing 50% of our memory. Pekka: Is the slabinfo emulation somehow broken? I'd really like to see the output of slabinfo dentry. -- 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/