From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752217AbcEUNJq (ORCPT ); Sat, 21 May 2016 09:09:46 -0400 Received: from mail-pa0-f67.google.com ([209.85.220.67]:33871 "EHLO mail-pa0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752176AbcEUNJg (ORCPT ); Sat, 21 May 2016 09:09:36 -0400 From: Muhammad Falak R Wani To: Boris Ostrovsky Cc: David Vrabel , Juergen Gross , xen-devel@lists.xenproject.org (moderated list:XEN HYPERVISOR INTERFACE), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] xen/gntdev: use vma_pages(). Date: Sat, 21 May 2016 18:39:20 +0530 Message-Id: <1463836161-16524-2-git-send-email-falakreyaz@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1463836161-16524-1-git-send-email-falakreyaz@gmail.com> References: <1463836161-16524-1-git-send-email-falakreyaz@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Replace explicit computation of vma page count by a call to vma_pages() Signed-off-by: Muhammad Falak R Wani --- drivers/xen/gntdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 6793957..bb95212 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -982,7 +982,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) { struct gntdev_priv *priv = flip->private_data; int index = vma->vm_pgoff; - int count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + int count = vma_pages(vma); struct grant_map *map; int i, err = -EINVAL; -- 1.9.1