From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751715AbdKVP1A (ORCPT ); Wed, 22 Nov 2017 10:27:00 -0500 Received: from mail-lf0-f68.google.com ([209.85.215.68]:35029 "EHLO mail-lf0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751307AbdKVP07 (ORCPT ); Wed, 22 Nov 2017 10:26:59 -0500 X-Google-Smtp-Source: AGs4zMagmp2uawgQS8hWcIEyFBY4ng/Vck1fpwnkWmrm80xAM403849mjrCPwFdgfcxf5q0QsjDrUQ== From: Vasyl Gomonovych To: dledford@redhat.com, dave@stgolabs.net, mst@redhat.com, jglisse@redhat.com, peterz@infradead.org, linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, gomonovych@gmail.com Subject: [PATCH] mm: Use vma_pages helper Date: Wed, 22 Nov 2017 16:26:50 +0100 Message-Id: <1511364410-13499-1-git-send-email-gomonovych@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 Use vma_pages function on vma object instead of explicit computation. mm/interval_tree.c:21:27-33: WARNING: Consider using vma_pages helper Generated by: scripts/coccinelle/api/vma_pages.cocci Signed-off-by: Vasyl Gomonovych --- mm/interval_tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/interval_tree.c b/mm/interval_tree.c index b47664358796..27ddfd29112a 100644 --- a/mm/interval_tree.c +++ b/mm/interval_tree.c @@ -18,7 +18,7 @@ static inline unsigned long vma_start_pgoff(struct vm_area_struct *v) static inline unsigned long vma_last_pgoff(struct vm_area_struct *v) { - return v->vm_pgoff + ((v->vm_end - v->vm_start) >> PAGE_SHIFT) - 1; + return v->vm_pgoff + vma_pages(v) - 1; } INTERVAL_TREE_DEFINE(struct vm_area_struct, shared.rb, -- 1.9.1