Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750810AbVKJMgY (ORCPT ); Thu, 10 Nov 2005 07:36:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750811AbVKJMgY (ORCPT ); Thu, 10 Nov 2005 07:36:24 -0500 Received: from taurus.voltaire.com ([193.47.165.240]:12423 "EHLO taurus.voltaire.com") by vger.kernel.org with ESMTP id S1750810AbVKJMgX (ORCPT ); Thu, 10 Nov 2005 07:36:23 -0500 Date: Thu, 10 Nov 2005 14:35:38 +0200 From: Gleb Natapov To: "Michael S. Tsirkin" Cc: Hugh Dickins , Benjamin Herrenschmidt , Petr Vandrovec , Nick Piggin , Badari Pulavarty , Linux Kernel Mailing List Subject: Re: Nick's core remove PageReserved broke vmware... Message-ID: <20051110123538.GL8942@minantech.com> References: <20051108213407.GB31746@mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051108213407.GB31746@mellanox.co.il> X-OriginalArrivalTime: 10 Nov 2005 12:36:20.0032 (UTC) FILETIME=[5A099C00:01C5E5F3] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 993 Lines: 28 On Tue, Nov 08, 2005 at 11:34:07PM +0200, Michael S. Tsirkin wrote: > Index: linux-2.6.14-dontcopy/mm/madvise.c > =================================================================== > --- linux-2.6.14-dontcopy.orig/mm/madvise.c 2005-10-28 02:02:08.000000000 +0200 > +++ linux-2.6.14-dontcopy/mm/madvise.c 2005-11-08 23:28:56.000000000 +0200 > @@ -31,6 +31,12 @@ static long madvise_behavior(struct vm_a > case MADV_RANDOM: > new_flags |= VM_RAND_READ; > break; > + case MADV_DONTCOPY: > + new_flags |= VM_UDONTCOPY; > + break; > + case MADV_DOCOPY: > + new_flags &= ~VM_UDONTCOPY; > + break; > default: > break; > } I think you are removing VM_RAND_READ/VM_SEQ_READ here. Also perhapse we should skip VM_SHARED VMAs? -- Gleb. - 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/