Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263867AbTEOI1x (ORCPT ); Thu, 15 May 2003 04:27:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263868AbTEOI1x (ORCPT ); Thu, 15 May 2003 04:27:53 -0400 Received: from pao-ex01.pao.digeo.com ([12.47.58.20]:11231 "EHLO pao-ex01.pao.digeo.com") by vger.kernel.org with ESMTP id S263867AbTEOI1x (ORCPT ); Thu, 15 May 2003 04:27:53 -0400 Date: Thu, 15 May 2003 01:42:07 -0700 From: Andrew Morton To: andrea@suse.de, dmccr@us.ibm.com, mika.penttila@kolumbus.fi, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: Race between vmtruncate and mapped areas? Message-Id: <20030515014207.64be0afa.akpm@digeo.com> In-Reply-To: <20030515013245.58bcaf8f.akpm@digeo.com> References: <154080000.1052858685@baldur.austin.ibm.com> <20030513181018.4cbff906.akpm@digeo.com> <18240000.1052924530@baldur.austin.ibm.com> <20030514103421.197f177a.akpm@digeo.com> <82240000.1052934152@baldur.austin.ibm.com> <20030515004915.GR1429@dualathlon.random> <20030515013245.58bcaf8f.akpm@digeo.com> X-Mailer: Sylpheed version 0.9.0pre1 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 15 May 2003 08:40:37.0870 (UTC) FILETIME=[A8BE70E0:01C31ABD] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 523 Lines: 15 Andrew Morton wrote: > > So the mm/memory.c part would look something like: er, right patch, wrong concept. That's the "check i_size after taking page_table_lock" patch. It's actually not too bad. Yes, there's 64-bit arith involved, but it is only a shift. - 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/