From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753509Ab1AJKf2 (ORCPT ); Mon, 10 Jan 2011 05:35:28 -0500 Received: from smtp02.citrix.com ([66.165.176.63]:18418 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753278Ab1AJKfX (ORCPT ); Mon, 10 Jan 2011 05:35:23 -0500 X-IronPort-AV: E=Sophos;i="4.60,299,1291611600"; d="scan'208";a="130293737" From: stefano.stabellini@eu.citrix.com To: linux-kernel@vger.kernel.org Cc: xen-devel@lists.xensource.com, Jeremy.Fitzhardinge@citrix.com, konrad.wilk@oracle.com, Jeremy Fitzhardinge Subject: [PATCH 03/12] xen/gntdev: add VM_PFNMAP to vma Date: Mon, 10 Jan 2011 10:36:32 +0000 Message-Id: <1294655801-16230-3-git-send-email-stefano.stabellini@eu.citrix.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: X-OriginalArrivalTime: 10 Jan 2011 10:35:22.0628 (UTC) FILETIME=[15C7E440:01CBB0B2] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jeremy Fitzhardinge These pages are from other domains, so don't have any local PFN. VM_PFNMAP is the closest concept Linux has to this. Signed-off-by: Jeremy Fitzhardinge --- drivers/xen/gntdev.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index cfe0633..fa6355a 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -564,7 +564,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) vma->vm_ops = &gntdev_vmops; - vma->vm_flags |= VM_RESERVED|VM_DONTCOPY|VM_DONTEXPAND; + vma->vm_flags |= VM_RESERVED|VM_DONTCOPY|VM_DONTEXPAND|VM_PFNMAP; vma->vm_private_data = map; map->vma = vma; -- 1.5.6.5