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 BE79BECE59D for ; Tue, 15 Oct 2019 22:44:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FBA32067B for ; Tue, 15 Oct 2019 22:44:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="jmLRv8ZY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389995AbfJOWoC (ORCPT ); Tue, 15 Oct 2019 18:44:02 -0400 Received: from mail-ot1-f67.google.com ([209.85.210.67]:44483 "EHLO mail-ot1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732531AbfJOWoC (ORCPT ); Tue, 15 Oct 2019 18:44:02 -0400 Received: by mail-ot1-f67.google.com with SMTP id 21so18423156otj.11 for ; Tue, 15 Oct 2019 15:44:01 -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:mime-version :content-transfer-encoding; bh=1/bXnmbscWZtJykXXrw37z4L1ZflXNjKDo4nbAwnlNE=; b=jmLRv8ZYIlwkdYjVwllTQoVsbUaOuj+oaLFYbE2i5bRi9rzefOEnGOTDHTuJZMFKgA SDL1WMgNCIi+JpecQbfQ71lV/611WLaJcfrOaIlM58Hb4XdIZdGl8m7h5P66pxWjavX/ Dd+zHZVDyoEP7Jceh3g5FSYJJhn2SOQTLDLIR/hxLQWt7Bltz2rC0ZV3pl7TxBeFlBSZ zvsz6WhXtss1/aGEjTZuD3M/jtlSQjgcIdRi1PCkVduSSO40B13zAN7HzKvK2Geg3UoH Qh83yyvN5rhtyPprAiH6ouS9LIVC/RmtliVdXLaiKG/crDHn+VCMYjeoU+qJjhm10kXc V0AQ== 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:mime-version :content-transfer-encoding; bh=1/bXnmbscWZtJykXXrw37z4L1ZflXNjKDo4nbAwnlNE=; b=DrqRhgskJWEOAE5PWvO09JBJMVp9JnPF57ORD9sshyM1tA7H/8otP4z8NqBzia6XX1 Qo5Kv/KN+i+SN+dAGZxj4ftPzjL8hJRibQBp29IIHzd0A2YsL3TivFLyvhMoocYYQWFt 74JbQka2cPrm/nRziUGa7iNXmVzYMl+jWuFCz/KOmvur6TAAt18qlkaRGDcr/EEEr/mi Esa9iYJyHvA9egRPV3iWyBcDoyel47ZkaotEjmHlKekwR7aHMR11FlL2mnSexHc+QHhs 1OYPZs0Sz4sGhqneXTzy6b5iuQUswCo9OsfJm9SzOC3QistgeIX85++bvhZ55m0LtCmK MlyA== X-Gm-Message-State: APjAAAW8Z+jwYQATGHvHBepC9oI38J3q8c713d0dc93t8WZw8kldmNig 5rvpaRRxP3Y66auohEqb3fE= X-Google-Smtp-Source: APXvYqy1VFCcZsmFugM7TV359XTS5pkgqTSwfqZaUQSf+0IKEGMqZ/T16yth90qKkpB03mkIe7J1Vw== X-Received: by 2002:a9d:624e:: with SMTP id i14mr13890468otk.335.1571179441340; Tue, 15 Oct 2019 15:44:01 -0700 (PDT) Received: from localhost.localdomain ([2604:1380:4111:8b00::1]) by smtp.gmail.com with ESMTPSA id u130sm6843008oib.56.2019.10.15.15.44.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2019 15:44:00 -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] arm64: mm: Fix unused variable warning in zone_sizes_init Date: Tue, 15 Oct 2019 15:43:04 -0700 Message-Id: <20191015224304.20963-1-natechancellor@gmail.com> X-Mailer: git-send-email 2.23.0 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 --- 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..c3d6657b9942 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_DMA) unsigned long max_dma = min; +#endif memset(zone_size, 0, sizeof(zone_size)); -- 2.23.0