From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757546AbYENVsW (ORCPT ); Wed, 14 May 2008 17:48:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751874AbYENVsO (ORCPT ); Wed, 14 May 2008 17:48:14 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:33562 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751685AbYENVsO (ORCPT ); Wed, 14 May 2008 17:48:14 -0400 Date: Wed, 14 May 2008 22:37:26 +0100 From: Alan Cox To: Alan Cox Cc: torvalds@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: Fix atomic_t overflow in vm Message-ID: <20080514223726.6e09f049@core> In-Reply-To: <20080514213302.5631.54560.stgit@core> References: <20080514213302.5631.54560.stgit@core> X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 14 May 2008 22:33:03 +0100 Alan Cox wrote: > From: Alan Cox > > The atomic_t type is 32bit but a 64bit system can have more than 2^32 > pages of virtual address space available. Without this we overflow on > ludicrously large mappings > --- Umm need to adjust the template: Add Signed-off-by: Alan Cox