From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753167AbbIOOJK (ORCPT ); Tue, 15 Sep 2015 10:09:10 -0400 Received: from mail-la0-f41.google.com ([209.85.215.41]:32862 "EHLO mail-la0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753142AbbIOOJH (ORCPT ); Tue, 15 Sep 2015 10:09:07 -0400 From: Alexander Kuleshov To: Andrew Morton Cc: Michal Hocko , Johannes Weiner , David Rientjes , Vladimir Davydov , Tejun Heo , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Alexander Kuleshov Subject: [PATCH 06/10] mm/util: Use offset_in_page macro Date: Tue, 15 Sep 2015 20:08:11 +0600 Message-Id: <1442326091-7438-1-git-send-email-kuleshovmail@gmail.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1442326012-7034-1-git-send-email-kuleshovmail@gmail.com> References: <1442326012-7034-1-git-send-email-kuleshovmail@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The provides offset_in_page() macro. Let's use already predefined macro instead of (addr & ~PAGE_MASK). Signed-off-by: Alexander Kuleshov --- mm/util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/util.c b/mm/util.c index 68ff8a5..9af1c12 100644 --- a/mm/util.c +++ b/mm/util.c @@ -309,7 +309,7 @@ unsigned long vm_mmap(struct file *file, unsigned long addr, { if (unlikely(offset + PAGE_ALIGN(len) < offset)) return -EINVAL; - if (unlikely(offset & ~PAGE_MASK)) + if (unlikely(offset_in_page(offset))) return -EINVAL; return vm_mmap_pgoff(file, addr, len, prot, flag, offset >> PAGE_SHIFT); -- 2.5.0