Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756704AbZCCVzx (ORCPT ); Tue, 3 Mar 2009 16:55:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754819AbZCCVzo (ORCPT ); Tue, 3 Mar 2009 16:55:44 -0500 Received: from smtp-out.google.com ([216.239.45.13]:14885 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754591AbZCCVzn (ORCPT ); Tue, 3 Mar 2009 16:55:43 -0500 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=mime-version:in-reply-to:references:date:message-id:subject:from:to: cc:content-type:content-transfer-encoding:x-system-of-record; b=OFLivunnYZnA4WCDDn/33q0uX8POSdpXYr8oA6hFQ5lZp5uyJ/1lCPRvjXxdXjGm9 S+vTsi4DBAJzSZFhZ7NGQ== MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 3 Mar 2009 13:55:38 -0800 Message-ID: <6599ad830903031355y3e12dec6n4b7b675d354f8e72@mail.gmail.com> Subject: Re: [patch 2/2] slub: enforce cpuset restrictions for cpu slabs From: Paul Menage To: David Rientjes Cc: Christoph Lameter , Pekka Enberg , Andrew Morton , Randy Dunlap , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 566 Lines: 15 On Tue, Mar 3, 2009 at 1:35 PM, David Rientjes wrote: > > Unfortunately, we can't add a slab hardwall flag to the cpuset to > configure this behavior since that would require locking to dereference > in the fastpath. > I don't think that it would - cgroups and subsystems should be RCU safe. 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/