Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751976AbdITWil (ORCPT ); Wed, 20 Sep 2017 18:38:41 -0400 Received: from www17.your-server.de ([213.133.104.17]:38972 "EHLO www17.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751743AbdITWij (ORCPT ); Wed, 20 Sep 2017 18:38:39 -0400 Subject: [PATCH 7/7] drm/rockchip: Cocci spatch "vma_pages" From: Thomas Meyer To: mark.yao@rock-chips.com, airlied@linux.ie, heiko@sntech.de, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Message-ID: <1505946334393-988165015-7-diffsplit-thomas@m3y3r.de> References: <1505946334393-568186305-0-diffsplit-thomas@m3y3r.de> In-Reply-To: <1505946334393-568186305-0-diffsplit-thomas@m3y3r.de> Date: Thu, 21 Sep 2017 00:29:36 +0200 X-Mailer: Evolution 3.22.6-1 Content-Transfer-Encoding: 7bit X-Authenticated-Sender: thomas@m3y3r.de Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 791 Lines: 18 Use vma_pages function on vma object instead of explicit computation. Found by coccinelle spatch "api/vma_pages.cocci" Signed-off-by: Thomas Meyer --- diff -u -p a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -220,7 +220,7 @@ static int rockchip_drm_gem_object_mmap_ { struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); unsigned int i, count = obj->size >> PAGE_SHIFT; - unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; + unsigned long user_count = vma_pages(vma); unsigned long uaddr = vma->vm_start; unsigned long offset = vma->vm_pgoff; unsigned long end = user_count + offset;