From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vk0-f54.google.com (mail-vk0-f54.google.com [209.85.213.54]) by kanga.kvack.org (Postfix) with ESMTP id 6F7816B025D for ; Tue, 15 Sep 2015 10:09:07 -0400 (EDT) Received: by vkhf67 with SMTP id f67so80435639vkh.1 for ; Tue, 15 Sep 2015 07:09:07 -0700 (PDT) Received: from mail-la0-x22b.google.com (mail-la0-x22b.google.com. [2a00:1450:4010:c03::22b]) by mx.google.com with ESMTPS id w3si12522723laj.40.2015.09.15.07.09.06 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 15 Sep 2015 07:09:06 -0700 (PDT) Received: by lanb10 with SMTP id b10so107796999lan.3 for ; Tue, 15 Sep 2015 07:09:06 -0700 (PDT) From: 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> In-Reply-To: <1442326012-7034-1-git-send-email-kuleshovmail@gmail.com> References: <1442326012-7034-1-git-send-email-kuleshovmail@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org