From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754991AbcA1NKu (ORCPT ); Thu, 28 Jan 2016 08:10:50 -0500 Received: from mail-pa0-f49.google.com ([209.85.220.49]:34186 "EHLO mail-pa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750818AbcA1NKs (ORCPT ); Thu, 28 Jan 2016 08:10:48 -0500 From: Sudip Mukherjee To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Sudip Mukherjee Subject: [PATCH] m32r: mm: fix build warning Date: Thu, 28 Jan 2016 18:40:40 +0530 Message-Id: <1453986640-9992-1-git-send-email-sudipm.mukherjee@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While building we are getting warnings: arch/m32r/mm/init.c:63:17: warning: unused variable 'low' arch/m32r/mm/init.c:62:17: warning: unused variable 'max_dma' max_dma and low are only used if CONFIG_MMU is defined. Lets declare the variables inside the #ifdef. Signed-off-by: Sudip Mukherjee --- arch/m32r/mm/init.c | 27 +++++++++++++++------------ 1 file changed, 15 insertions(+), 12 deletions(-) diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c index 0d4146f..bf196d6 100644 --- a/arch/m32r/mm/init.c +++ b/arch/m32r/mm/init.c @@ -59,21 +59,24 @@ void free_initrd_mem(unsigned long, unsigned long); void __init zone_sizes_init(void) { unsigned long zones_size[MAX_NR_ZONES] = {0, }; - unsigned long max_dma; - unsigned long low; unsigned long start_pfn; #ifdef CONFIG_MMU - start_pfn = START_PFN(0); - max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; - low = MAX_LOW_PFN(0); - - if (low < max_dma){ - zones_size[ZONE_DMA] = low - start_pfn; - zones_size[ZONE_NORMAL] = 0; - } else { - zones_size[ZONE_DMA] = low - start_pfn; - zones_size[ZONE_NORMAL] = low - max_dma; + { + unsigned long low; + unsigned long max_dma; + + start_pfn = START_PFN(0); + max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT; + low = MAX_LOW_PFN(0); + + if (low < max_dma) { + zones_size[ZONE_DMA] = low - start_pfn; + zones_size[ZONE_NORMAL] = 0; + } else { + zones_size[ZONE_DMA] = low - start_pfn; + zones_size[ZONE_NORMAL] = low - max_dma; + } } #else zones_size[ZONE_DMA] = 0 >> PAGE_SHIFT; -- 1.9.1