From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0437C61CE4 for ; Sun, 20 Jan 2019 08:13:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BFCE62084A for ; Sun, 20 Jan 2019 08:13:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="sU+4BFbb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730222AbfATINd (ORCPT ); Sun, 20 Jan 2019 03:13:33 -0500 Received: from mail-wr1-f68.google.com ([209.85.221.68]:40794 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727659AbfATINc (ORCPT ); Sun, 20 Jan 2019 03:13:32 -0500 Received: by mail-wr1-f68.google.com with SMTP id p4so19799179wrt.7 for ; Sun, 20 Jan 2019 00:13:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=oF2K06y6GqbP+A72CRDkYBvyUldsNflXgLzQar1esgY=; b=sU+4BFbbRDOfvdREEHV7nnPZ3+BwgHKgHdD9a6wkahtBCSh3v69oulBctWBziV4Pt/ QW3prd9wR8ndpkUgLdDbW9zPEFXMGLwtOJjxyTPygNMgl3MEeeA2/HJ4dYTNQQ4y9QzF h/Zy8QOpdCy2bVjVSJBsWI14zU9w1t8/p8FyPaOWAphCL0FNPHRCtyyKi6pw0xWRwaWx eD7hJasN7GjqsfF1oCtn7rYfOHtggI8QTg4TtiaFPEHndp+wRA/k6hAzwNq56ErZjKTs V3Mg7vCCld4U1Y4F7GNkafJuJpM/+/WpftnfE3ZjFn0kFFp5OLeScqxlW5WZbQ/IhR4f 40FQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=oF2K06y6GqbP+A72CRDkYBvyUldsNflXgLzQar1esgY=; b=Cu4d6Y6mSxZWy1q0s3k21b5wCFAOSy7+u/vhQWny+/wzpL0BF2N4ZK+JHqDLh0a19B Jvvsv1/Sra4M0qFLy2YyMdODMYnflkiAWjAI+CTMSRYnrIuXM9PcmetXFVCGFZq6Ql1p PaJ59/RozMDdCjjyrZNv2yOZ0Ye9tLV276NDaknyDXn87LlSjnqX+jRBUhal/9MJC3VG ziZH0d6RFi1Ud9K2gQoczvxPRkRsiM1Io7sMfiCF3B2qIXUsyH8ZEPcjpUNThEJTOpNM 0/pe1X1UTys759rxgKDgMYWeAdB8d1wtXHGFqxix6qRsQZwsO26XTnQ3mfk13dF1v4ws hIfw== X-Gm-Message-State: AJcUukcCM6gWUpYlrvF74FhITaGARGcZY253o/5sbMFxMtoK2RykDJSh hwtjrdlRYY+NNC3lPG0Qt90= X-Google-Smtp-Source: ALg8bN7MNDmk6xF++nrpsB/iYgKXsF08yW4AIRJ6qM5aQ/yGalX0JXWrZ5ZQp+rZ4r9pG1JZDh8F4w== X-Received: by 2002:a5d:4dc8:: with SMTP id f8mr23829190wru.45.1547972010944; Sun, 20 Jan 2019 00:13:30 -0800 (PST) Received: from localhost ([2a01:4f8:1c1c:6057::1]) by smtp.gmail.com with ESMTPSA id l20sm188093197wrb.93.2019.01.20.00.13.30 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 20 Jan 2019 00:13:30 -0800 (PST) From: Yang Fan To: akpm@linux-foundation.org, will.deacon@arm.com Cc: Yang Fan , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] mm/mmap.c: Remove redundant variable 'addr' in arch_get_unmapped_area_topdown() Date: Sun, 20 Jan 2019 09:13:24 +0100 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The variable 'addr' is redundant in arch_get_unmapped_area_topdown(), just use parameter 'addr0' directly. Then remove the const qualifier of the parameter, and change its name to 'addr'. Signed-off-by: Yang Fan --- mm/mmap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index f901065c4c64..f2d163ac827a 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2126,13 +2126,12 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, */ #ifndef HAVE_ARCH_UNMAPPED_AREA_TOPDOWN unsigned long -arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, +arch_get_unmapped_area_topdown(struct file *filp, unsigned long addr, const unsigned long len, const unsigned long pgoff, const unsigned long flags) { struct vm_area_struct *vma, *prev; struct mm_struct *mm = current->mm; - unsigned long addr = addr0; struct vm_unmapped_area_info info; const unsigned long mmap_end = arch_get_mmap_end(addr); -- 2.17.1