From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751723AbdIUKie (ORCPT ); Thu, 21 Sep 2017 06:38:34 -0400 Received: from mail-pf0-f193.google.com ([209.85.192.193]:34858 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751678AbdIUKib (ORCPT ); Thu, 21 Sep 2017 06:38:31 -0400 X-Google-Smtp-Source: AOwi7QCT/XsYbTgsL7QCwA6VKVuuWK3rGiOAdmohrrwiSmUaE0bSUs4+nbMrc3OZHL1EAf22uKUI8A== From: Allen Pais To: linux-kernel@vger.kernel.org Cc: mark.yao@rock-chips.com, linux-rockchip@lists.infradead.org, Allen Pais Subject: [PATCH 1/1] drivers:gpu: Use vma_pages() Date: Thu, 21 Sep 2017 16:08:23 +0530 Message-Id: <1505990303-27763-1-git-send-email-allen.lkml@gmail.com> X-Mailer: git-send-email 2.7.4 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: Allen Pais --- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index 1869c8b..d4c429c 100644 --- 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_iommu(struct drm_gem_object *obj, { 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; -- 2.7.4