From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755461Ab3HEJJ1 (ORCPT ); Mon, 5 Aug 2013 05:09:27 -0400 Received: from szxga01-in.huawei.com ([119.145.14.64]:57085 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754503Ab3HEJJZ (ORCPT ); Mon, 5 Aug 2013 05:09:25 -0400 Message-ID: <51FF6BBD.2090606@huawei.com> Date: Mon, 5 Aug 2013 17:09:17 +0800 From: Xishi Qiu User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: Greg Kroah-Hartman CC: Andrew Morton , , LKML Subject: [PATCH V2] cma: use macro PFN_DOWN when converting size to pages Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.135.74.196] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use "PFN_DOWN(r->size)" instead of "r->size >> PAGE_SHIFT". Signed-off-by: Xishi Qiu --- drivers/base/dma-contiguous.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c index 0ca5442..b3d711d 100644 --- a/drivers/base/dma-contiguous.c +++ b/drivers/base/dma-contiguous.c @@ -206,8 +206,7 @@ static int __init cma_init_reserved_areas(void) for (; i; --i, ++r) { struct cma *cma; - cma = cma_create_area(PFN_DOWN(r->start), - r->size >> PAGE_SHIFT); + cma = cma_create_area(PFN_DOWN(r->start), PFN_DOWN(r->size)); if (!IS_ERR(cma)) dev_set_cma_area(r->dev, cma); } -- 1.7.1