Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753750AbZGTShe (ORCPT ); Mon, 20 Jul 2009 14:37:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753731AbZGTShd (ORCPT ); Mon, 20 Jul 2009 14:37:33 -0400 Received: from mx2.redhat.com ([66.187.237.31]:34824 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753730AbZGTShc (ORCPT ); Mon, 20 Jul 2009 14:37:32 -0400 Message-ID: <4A64B964.2080307@redhat.com> Date: Mon, 20 Jul 2009 14:37:24 -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, hugh.dickins@tiscali.co.uk, aarcange@redhat.com, chrisw@redhat.com, avi@redhat.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, nickpiggin@yahoo.com.au Subject: Re: [PATCH 08/10] ksm: prevent mremap move poisoning References: <1247851850-4298-1-git-send-email-ieidus@redhat.com> <1247851850-4298-2-git-send-email-ieidus@redhat.com> <1247851850-4298-3-git-send-email-ieidus@redhat.com> <1247851850-4298-4-git-send-email-ieidus@redhat.com> <1247851850-4298-5-git-send-email-ieidus@redhat.com> <1247851850-4298-6-git-send-email-ieidus@redhat.com> <1247851850-4298-7-git-send-email-ieidus@redhat.com> <1247851850-4298-8-git-send-email-ieidus@redhat.com> <1247851850-4298-9-git-send-email-ieidus@redhat.com> In-Reply-To: <1247851850-4298-9-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 Content-Length: 640 Lines: 17 Izik Eidus wrote: > From: Hugh Dickins > > KSM's scan allows for user pages to be COWed or unmapped at any time, > without requiring any notification. But its stable tree does assume > that when it finds a KSM page where it placed a KSM page, then it is > the same KSM page that it placed there. Acked-by: Rik van Riel -- All rights reversed. -- 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/