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=-9.8 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_HELO_NONE,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 51DD0ECE59D for ; Wed, 16 Oct 2019 03:12:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 236FE20873 for ; Wed, 16 Oct 2019 03:12:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ZrQSV0DS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390832AbfJPDMx (ORCPT ); Tue, 15 Oct 2019 23:12:53 -0400 Received: from mail-oi1-f193.google.com ([209.85.167.193]:45021 "EHLO mail-oi1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727544AbfJPDMx (ORCPT ); Tue, 15 Oct 2019 23:12:53 -0400 Received: by mail-oi1-f193.google.com with SMTP id w6so18699833oie.11 for ; Tue, 15 Oct 2019 20:12:53 -0700 (PDT) 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 :mime-version:content-transfer-encoding; bh=Ps4EVuybUtMjAwr2oDyFkpx78Fm0dPag8RJXIQ6sLRI=; b=ZrQSV0DSQt7/CAKfrEigLHdIDxlswOYjHDG8Db1U4KxJFnjeaWuWtikRq/3XpXID1M gEDgZDoEhzsJGePOYjhPxfdCfpEHlJ7Dq//a01bSFAAAlShkI0FOhqh5fY5IR+SKMwmv VHlJUHMZbeE1WhKSkougzM4IAzZwPQC9NqTFKvmijHSJiLgsCiBJW2/kboNMG7DBnfcA NIL/mxk50sekpXtHWP3hT0HFd2VKHnfTm5YfqaOCLuiGjlUZ6rxf3EIGNJ4QYyuaAi5+ JeBECp//LbCgcWj8DCInG85WHymzN6y1arfB5rJoJgSKaMx2CKyOOe6w5HJ7iSp/U/T7 qJIA== 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:mime-version:content-transfer-encoding; bh=Ps4EVuybUtMjAwr2oDyFkpx78Fm0dPag8RJXIQ6sLRI=; b=K8BTFeQ9Q21o81Xvwz3mSqP8WH7lpuhVXt5GNdlg4JW0WZ1cmL6coPPhcgY9V46pxO pUdUb8q7VPn7zTkaK3iGxwFy3gXPOtzjaHvzHlZMzEVI9efvPIyVgQ5gXj3oArXvlkE7 FbMkzlDzo+BFU1teIsTMsESc4YLJElW0lnEQH4tWbSe7ZSOcOWY96EfL6FiRfSilvXRf K22dpd017H//7Qirp+8JIwsJKfFVf4BFLVU52oQWVDYE0r/L2neoVwWrchLcV8DPBq46 QTdpteWJHcUeGiN+nBQaekIdNl7KpH4kHnh5924HQyBmxTbt/2WFflCSjRCpUqBbT4wn 6iqw== X-Gm-Message-State: APjAAAUMdLLkn13G33RqG4AwAkV5PNuH5L1ZSHnWJxSDmSq7ypUp4p7l THsUpnp2A4HtLQ6nhqAC7Lk= X-Google-Smtp-Source: APXvYqzemvPwAicUlAsZF5hC3V69o0sHDC/Cuz34m2aXl5tSu0Nnv1l9LFQAJXp8eeTxDpJgZqStsQ== X-Received: by 2002:aca:48d8:: with SMTP id v207mr1499400oia.113.1571195572447; Tue, 15 Oct 2019 20:12:52 -0700 (PDT) Received: from localhost.localdomain ([2604:1380:4111:8b00::1]) by smtp.gmail.com with ESMTPSA id z10sm7854337ote.54.2019.10.15.20.12.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2019 20:12:51 -0700 (PDT) From: Nathan Chancellor To: Catalin Marinas , Will Deacon Cc: Nicolas Saenz Julienne , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Nathan Chancellor Subject: [PATCH -next v2] arm64: mm: Fix unused variable warning in zone_sizes_init Date: Tue, 15 Oct 2019 20:11:08 -0700 Message-Id: <20191016031107.30045-1-natechancellor@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191015224304.20963-1-natechancellor@gmail.com> References: <20191015224304.20963-1-natechancellor@gmail.com> MIME-Version: 1.0 X-Patchwork-Bot: notify Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When building arm64 allnoconfig, CONFIG_ZONE_DMA and CONFIG_ZONE_DMA32 get disabled so there is a warning about max_dma being unused. ../arch/arm64/mm/init.c:215:16: warning: unused variable 'max_dma' [-Wunused-variable] unsigned long max_dma = min; ^ 1 warning generated. Add an ifdef around the variable to fix this. Fixes: 1a8e1cef7603 ("arm64: use both ZONE_DMA and ZONE_DMA32") Signed-off-by: Nathan Chancellor --- v1 -> v2: * Fix check for CONFIG_ZONE_DMA32 as pointed out by Will. arch/arm64/mm/init.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 44f07fdf7a59..359c3b08b968 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -212,7 +212,9 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max) struct memblock_region *reg; unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES]; unsigned long max_dma32 = min; +#if defined(CONFIG_ZONE_DMA) || defined(CONFIG_ZONE_DMA32) unsigned long max_dma = min; +#endif memset(zone_size, 0, sizeof(zone_size)); -- 2.23.0