From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262062AbUEQRkX (ORCPT ); Mon, 17 May 2004 13:40:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262050AbUEQRkX (ORCPT ); Mon, 17 May 2004 13:40:23 -0400 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:8589 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S262063AbUEQRkI (ORCPT ); Mon, 17 May 2004 13:40:08 -0400 Date: Mon, 17 May 2004 18:40:04 +0100 From: viro@parcelfarce.linux.theplanet.co.uk To: Steven Cole Cc: hugh@veritas.com, elenstev@mesatop.com, linux-kernel@vger.kernel.org, support@bitmover.com, Linus Torvalds , Wayne Scott , adi@bitmover.com, akpm@osdl.org, wli@holomorphy.com, lm@bitmover.com, "Theodore Ts'o" Subject: Re: 1352 NUL bytes at the end of a page? Message-ID: <20040517174004.GU17014@parcelfarce.linux.theplanet.co.uk> References: <200405162136.24441.elenstev@mesatop.com> <20040516231120.405a0d14.akpm@osdl.org> <20040517.085640.30175416.wscott@bitmover.com> <20040517151738.GA4730@thunk.org> <20040517153736.GT17014@parcelfarce.linux.theplanet.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 17, 2004 at 11:30:36AM -0600, Steven Cole wrote: > mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, > 0) = 0x40018000 rw anonymous - that has nothing to do with any IO. > old_mmap(NULL, 19184, PROT_READ, MAP_PRIVATE, 3, 0) = 0x40018000 read-only, whatever file that was. Was there anything with PROT_WRITE and without MAP_ANONYMOUS?