From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759297AbZEFArT (ORCPT ); Tue, 5 May 2009 20:47:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753822AbZEFArG (ORCPT ); Tue, 5 May 2009 20:47:06 -0400 Received: from mx2.redhat.com ([66.187.237.31]:32917 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752021AbZEFArF (ORCPT ); Tue, 5 May 2009 20:47:05 -0400 Message-ID: <4A00DD4F.8010101@redhat.com> Date: Tue, 05 May 2009 20:43:59 -0400 From: Rik van Riel Organization: Red Hat, Inc User-Agent: Thunderbird 2.0.0.17 (X11/20080915) MIME-Version: 1.0 To: Izik Eidus CC: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, aarcange@redhat.com, chrisw@redhat.com, alan@lxorguk.ukuu.org.uk, device@lanana.org, linux-mm@kvack.org, hugh@veritas.com, nickpiggin@yahoo.com.au Subject: Re: [PATCH 2/6] ksm: dont allow overlap memory addresses registrations. References: <1241475935-21162-1-git-send-email-ieidus@redhat.com> <1241475935-21162-2-git-send-email-ieidus@redhat.com> <1241475935-21162-3-git-send-email-ieidus@redhat.com> In-Reply-To: <1241475935-21162-3-git-send-email-ieidus@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Izik Eidus wrote: > subjects say it all. Not a very useful commit message. This makes me wonder, though. What happens if a user mmaps a 30MB memory region, registers it with KSM and then unmaps the middle 10MB? > Signed-off-by: Izik Eidus except for the commit message, Acked-by: Rik van Riel -- All rights reversed.