Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933959AbZKXSy4 (ORCPT ); Tue, 24 Nov 2009 13:54:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933864AbZKXSy4 (ORCPT ); Tue, 24 Nov 2009 13:54:56 -0500 Received: from e7.ny.us.ibm.com ([32.97.182.137]:59626 "EHLO e7.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933859AbZKXSyz (ORCPT ); Tue, 24 Nov 2009 13:54:55 -0500 Date: Tue, 24 Nov 2009 10:54:59 -0800 From: "Paul E. McKenney" To: Peter Zijlstra Cc: Matt Mackall , Pekka Enberg , linux-mm@kvack.org, cl@linux-foundation.org, LKML , Nick Piggin Subject: Re: lockdep complaints in slab allocator Message-ID: <20091124185459.GH6831@linux.vnet.ibm.com> Reply-To: paulmck@linux.vnet.ibm.com References: <1258729748.4104.223.camel@laptop> <1259002800.5630.1.camel@penberg-laptop> <1259003425.17871.328.camel@calx> <4B0ADEF5.9040001@cs.helsinki.fi> <1259080406.4531.1645.camel@laptop> <20091124170032.GC6831@linux.vnet.ibm.com> <1259082756.17871.607.camel@calx> <1259086459.4531.1752.camel@laptop> <20091124182506.GG6831@linux.vnet.ibm.com> <1259087511.4531.1775.camel@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1259087511.4531.1775.camel@laptop> User-Agent: Mutt/1.5.15+20070412 (2007-04-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1007 Lines: 24 On Tue, Nov 24, 2009 at 07:31:51PM +0100, Peter Zijlstra wrote: > On Tue, 2009-11-24 at 10:25 -0800, Paul E. McKenney wrote: > > > Well, I suppose I could make my scripts randomly choose the memory > > allocator, but I would rather not. ;-) > > Which is why I hope we'll soon be down to 2, SLOB for tiny systems and > SLQB for the rest of us, having 3 in-tree and 1 pending is pure and > simple insanity. So I should start specifying SLOB for my TINY_RCU tests, then. > Preferably SLQB will be small enough to also be able to get rid of SLOB, > but I've not recently seen any data on that particular issue. Given the existence of TINY_RCU, I would look pretty funny if I insisted on but a single implementation of core subsystems. ;-) Thanx, Paul -- 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/