From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758869AbYDBRrT (ORCPT ); Wed, 2 Apr 2008 13:47:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755207AbYDBRrL (ORCPT ); Wed, 2 Apr 2008 13:47:11 -0400 Received: from relay2.sgi.com ([192.48.171.30]:51121 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755031AbYDBRrK (ORCPT ); Wed, 2 Apr 2008 13:47:10 -0400 Date: Wed, 2 Apr 2008 10:44:36 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: "Paul E. McKenney" cc: Peter Zijlstra , Hugh Dickins , Andrea Arcangeli , linux-kernel Subject: Re: [patch 1/9] EMM Notifier: The notifier calls In-Reply-To: <20080401213811.GD8558@linux.vnet.ibm.com> Message-ID: References: <20080401205531.986291575@sgi.com> <20080401205635.793766935@sgi.com> <1207084480.29991.2.camel@lappy> <20080401213811.GD8558@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 1 Apr 2008, Paul E. McKenney wrote: > Peter has it right. You need to rcu_dereference() the same thing that > you rcu_assign_pointer() to. Ah. Ok. Thanks.