From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl0-f71.google.com (mail-pl0-f71.google.com [209.85.160.71]) by kanga.kvack.org (Postfix) with ESMTP id 963576B2420 for ; Wed, 22 Aug 2018 07:33:16 -0400 (EDT) Received: by mail-pl0-f71.google.com with SMTP id bg5-v6so874495plb.20 for ; Wed, 22 Aug 2018 04:33:16 -0700 (PDT) Received: from mga07.intel.com (mga07.intel.com. [134.134.136.100]) by mx.google.com with ESMTPS id bh1-v6si1396746plb.190.2018.08.22.04.33.14 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Aug 2018 04:33:14 -0700 (PDT) Date: Wed, 22 Aug 2018 19:32:05 +0800 From: kbuild test robot Subject: [mmotm:master 187/242] mm/memblock.c:1290:6: error: 'early_region_idx' undeclared; did you mean 'nommu_region_sem'? Message-ID: <201808221902.zZGLYOTY%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="2fHTh5uZTiUOsy+g" Content-Disposition: inline Sender: owner-linux-mm@kvack.org List-ID: To: Jia He Cc: kbuild-all@01.org, Johannes Weiner , Andrew Morton , Linux Memory Management List --2fHTh5uZTiUOsy+g Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: git://git.cmpxchg.org/linux-mmotm.git master head: 10b78d76f1897885d7753586ecd113e9d6728c5d commit: be2e6e87ac5e7f8f30c442bb1a042266e1ab6fcd [187/242] mm/memblock: introduce pfn_valid_region() config: arm-allnoconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout be2e6e87ac5e7f8f30c442bb1a042266e1ab6fcd # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm All errors (new ones prefixed by >>): mm/memblock.c: In function 'pfn_valid_region': >> mm/memblock.c:1290:6: error: 'early_region_idx' undeclared (first use in this function); did you mean 'nommu_region_sem'? if (early_region_idx != -1) { ^~~~~~~~~~~~~~~~ nommu_region_sem mm/memblock.c:1290:6: note: each undeclared identifier is reported only once for each function it appears in mm/memblock.c:1305:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +1290 mm/memblock.c 1283 1284 int pfn_valid_region(ulong pfn) 1285 { 1286 ulong start_pfn, end_pfn; 1287 struct memblock_type *type = &memblock.memory; 1288 struct memblock_region *regions = type->regions; 1289 > 1290 if (early_region_idx != -1) { 1291 start_pfn = PFN_DOWN(regions[early_region_idx].base); 1292 end_pfn = PFN_DOWN(regions[early_region_idx].base + 1293 regions[early_region_idx].size); 1294 1295 if (pfn >= start_pfn && pfn < end_pfn) 1296 return !memblock_is_nomap( 1297 ®ions[early_region_idx]); 1298 } 1299 1300 early_region_idx = memblock_search_pfn_regions(pfn); 1301 if (early_region_idx == -1) 1302 return false; 1303 1304 return !memblock_is_nomap(®ions[early_region_idx]); 1305 } 1306 EXPORT_SYMBOL(pfn_valid_region); 1307 #endif /*CONFIG_HAVE_MEMBLOCK_PFN_VALID*/ 1308 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation --2fHTh5uZTiUOsy+g Content-Type: application/gzip Content-Disposition: attachment; filename=".config.gz" Content-Transfer-Encoding: base64 H4sICOZHfVsAAy5jb25maWcAjVxbc9u4kn6fX8GaqdpK6mw8tuw4zm75AQJBEUcEwRCgJPuF pUiMo4oleXWZSf79doOkxAugOamZioNu3BvdX1/oP377wyPHw3Y9P6wW89fXX95LsSl280Ox 9L6tXov/9XzpxVJ7zOf6Cpij1eb488/5bu3dXd08XF1/WK9vvHGx2xSvHt1uvq1ejtB7td38 9sdv8N8f0Lh+g4F2/+NBpw+v2P3Dy+ZYzL+uPrwsFt47v/i6mm+8T1cDGO3m5n35E/SlMg74 KKc05yofUfr4q26Cf+QTliou48dP14Pr6xNvROLRiXRdrmBkdvTq7YvD8e087jCVYxbnMs6V SM5j85jrnMWTnKSjPOKC68fbAe6jmkGKhEcs10xpb7X3NtsDDlz3jiQlUT3/77+f+zUJOcm0 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