Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965233AbVKBUqK (ORCPT ); Wed, 2 Nov 2005 15:46:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965234AbVKBUqK (ORCPT ); Wed, 2 Nov 2005 15:46:10 -0500 Received: from gold.veritas.com ([143.127.12.110]:33409 "EHLO gold.veritas.com") by vger.kernel.org with ESMTP id S965233AbVKBUqJ (ORCPT ); Wed, 2 Nov 2005 15:46:09 -0500 Date: Wed, 2 Nov 2005 20:45:03 +0000 (GMT) From: Hugh Dickins X-X-Sender: hugh@goblin.wat.veritas.com To: Blaisorblade cc: Badari Pulavarty , Andrea Arcangeli , lkml , akpm@osdl.org, dvhltc@us.ibm.com, linux-mm , Jeff Dike Subject: Re: New bug in patch and existing Linux code - race with install_page() (was: Re: [PATCH] 2.6.14 patch for supporting madvise(MADV_REMOVE)) In-Reply-To: Message-ID: References: <1130366995.23729.38.camel@localhost.localdomain> <20051102014321.GG24051@opteron.random> <1130947957.24503.70.camel@localhost.localdomain> <200511022054.15119.blaisorblade@yahoo.it> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-OriginalArrivalTime: 02 Nov 2005 20:46:08.0903 (UTC) FILETIME=[73DD7170:01C5DFEE] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 485 Lines: 13 On Wed, 2 Nov 2005, Hugh Dickins wrote: > On Wed, 2 Nov 2005, Blaisorblade wrote: > > No, it should be fine as is (unless perhaps some barrier is needed). We already have the barrier needed: we're holding page_table_lock (pte lock). Hugh - 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/