From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752033AbcEXAEo (ORCPT ); Mon, 23 May 2016 20:04:44 -0400 Received: from mail-pf0-f195.google.com ([209.85.192.195]:35149 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751242AbcEXAEn (ORCPT ); Mon, 23 May 2016 20:04:43 -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 v2] xen: use vma_pages(). Date: Tue, 24 May 2016 05:34:32 +0530 Message-Id: <1464048273-6153-1-git-send-email-falakreyaz@gmail.com> X-Mailer: git-send-email 1.9.1 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/gntalloc.c | 2 +- drivers/xen/gntdev.c | 2 +- drivers/xen/privcmd.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c index 4547a91..7a47c4c 100644 --- a/drivers/xen/gntalloc.c +++ b/drivers/xen/gntalloc.c @@ -504,7 +504,7 @@ static int gntalloc_mmap(struct file *filp, struct vm_area_struct *vma) struct gntalloc_file_private_data *priv = filp->private_data; struct gntalloc_vma_private_data *vm_priv; struct gntalloc_gref *gref; - int count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + int count = vma_pages(vma); int rv, i; if (!(vma->vm_flags & VM_SHARED)) { 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; diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index df2e6f7..702040f 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -582,7 +582,7 @@ static long privcmd_ioctl(struct file *file, static void privcmd_close(struct vm_area_struct *vma) { struct page **pages = vma->vm_private_data; - int numpgs = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + int numpgs = vma_pages(vma); int numgfns = (vma->vm_end - vma->vm_start) >> XEN_PAGE_SHIFT; int rc; -- 1.9.1