From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751405AbdJEMRf (ORCPT ); Thu, 5 Oct 2017 08:17:35 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:37520 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751347AbdJEMRe (ORCPT ); Thu, 5 Oct 2017 08:17:34 -0400 From: Allen Pais To: linux-arm-kernel@lists.infradead.org Cc: will.deacon@arm.com, linux-kernel@vger.kernel.org, Allen Pais Subject: [PATCH] arm64: use vma_pages helper Date: Thu, 5 Oct 2017 17:46:55 +0530 Message-Id: <1507205815-5204-1-git-send-email-allen.pais@oracle.com> X-Mailer: git-send-email 1.9.1 X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use vma_pages function on vma object instead of explicit computation. This is a clean up patch. Signed-off-by: Allen Pais --- arch/arm64/mm/dma-mapping.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index 614af88..5f62090 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -303,8 +303,7 @@ static int __swiotlb_mmap_pfn(struct vm_area_struct *vma, unsigned long pfn, size_t size) { int ret = -ENXIO; - unsigned long nr_vma_pages = (vma->vm_end - vma->vm_start) >> - PAGE_SHIFT; + unsigned long nr_vma_pages = vma_pages(vma); unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT; unsigned long off = vma->vm_pgoff; -- 1.9.1