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X-CSE-ConnectionGUID: hWVdqZFGT0S8iAsKvV580Q== X-CSE-MsgGUID: PL5qk57FRbKRrZERxX4ORA== X-IronPort-AV: E=McAfee;i="6700,10204,11342"; a="39990900" X-IronPort-AV: E=Sophos;i="6.13,279,1732608000"; d="scan'208";a="39990900" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Feb 2025 18:47:43 -0800 X-CSE-ConnectionGUID: vtuJPVFASNO43qsx3WX5ag== X-CSE-MsgGUID: REb5PIHbQVio/bRe6nH/5Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,279,1732608000"; d="scan'208";a="117773185" Received: from lkp-server01.sh.intel.com (HELO d63d4d77d921) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 11 Feb 2025 18:47:40 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1ti2mo-00151c-1E; Wed, 12 Feb 2025 02:47:38 +0000 Date: Wed, 12 Feb 2025 10:47:35 +0800 From: kernel test robot To: Huang Ying Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Andrew Morton , Linux Memory Management List Subject: kernel/resource.c:1838:43: warning: implicit conversion from 'unsigned long long' to 'resource_size_t' (aka 'unsigned int') changes value from 68719476735 to 4294967295 Message-ID: <202502121040.ncM3OOjx-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Stat-Signature: dnpajajh49tz6obi7thgaprad6ywxgjc X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: C449680004 X-Rspam-User: X-HE-Tag: 1739328463-884816 X-HE-Meta: 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 iM5C1ycw dukKvPuSjVZMvJZPpVAJ21pWa9fYpxlHA3enAmG7uMAEg5pSXpdWFVpQg6BAUnD0VHRO7YtIr5V7JSER3ffM2RF0S4pBA9rJ5NQ+/x2SnkV3u/NrrVOCf2Ja11y7x3ewbQEn5yNiGliAAZSlvChl2zDFhe65NDAbOMH1MKJ0cQUmIho83LNTb4rTwJwA0LLchgVTzhvaBNZeY4m78+W5WkRzVZT07O+osJ8T18frk4auRc6+aHfUvbTZEs2VIdikSdxWqdkMGCvE3/liBlTocRfAOBNmNX11rsKpPE6O4J/Fr90yvhLwJJ2P7xb+c2WKquTBX16MmlxPVpW4s5OgzJx6AcJnj+sYhVAMosS25Tjqnd38IH8zTYOGMCA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Huang, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 09fbf3d502050282bf47ab3babe1d4ed54dd1fd8 commit: 99185c10d5d9214d0d0c8b7866660203e344ee3b resource, kunit: add test case for region_intersects() date: 5 months ago config: arm-randconfig-001-20241228 (https://download.01.org/0day-ci/archive/20250212/202502121040.ncM3OOjx-lkp@intel.com/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250212/202502121040.ncM3OOjx-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202502121040.ncM3OOjx-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/resource.c:1838:43: warning: implicit conversion from 'unsigned long long' to 'resource_size_t' (aka 'unsigned int') changes value from 68719476735 to 4294967295 [-Wconstant-conversion] end = min_t(resource_size_t, base->end, MAX_PHYS_ADDR); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ kernel/resource.c:1827:52: note: expanded from macro 'MAX_PHYS_ADDR' #define MAX_PHYS_ADDR ((1ULL << MAX_PHYSMEM_BITS) - 1) ^ include/linux/minmax.h:213:52: note: expanded from macro 'min_t' #define min_t(type, x, y) __cmp_once(min, type, x, y) ~~~~~~~~~~~~~~~~~~~~~~~~~^~ include/linux/minmax.h:96:33: note: expanded from macro '__cmp_once' __cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:93:31: note: expanded from macro '__cmp_once_unique' ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); }) ~~ ^ kernel/resource.c:1855:45: warning: implicit conversion from 'unsigned long long' to 'resource_size_t' (aka 'unsigned int') changes value from 68719476735 to 4294967295 [-Wconstant-conversion] addr <= min_t(resource_size_t, base->end, MAX_PHYS_ADDR); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~ kernel/resource.c:1827:52: note: expanded from macro 'MAX_PHYS_ADDR' #define MAX_PHYS_ADDR ((1ULL << MAX_PHYSMEM_BITS) - 1) ^ include/linux/minmax.h:213:52: note: expanded from macro 'min_t' #define min_t(type, x, y) __cmp_once(min, type, x, y) ~~~~~~~~~~~~~~~~~~~~~~~~~^~ include/linux/minmax.h:96:33: note: expanded from macro '__cmp_once' __cmp_once_unique(op, type, x, y, __UNIQUE_ID(x_), __UNIQUE_ID(y_)) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/minmax.h:93:31: note: expanded from macro '__cmp_once_unique' ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); }) ~~ ^ 2 warnings generated. vim +1838 kernel/resource.c 1831 1832 static resource_size_t gfr_start(struct resource *base, resource_size_t size, 1833 resource_size_t align, unsigned long flags) 1834 { 1835 if (flags & GFR_DESCENDING) { 1836 resource_size_t end; 1837 > 1838 end = min_t(resource_size_t, base->end, MAX_PHYS_ADDR); 1839 return end - size + 1; 1840 } 1841 1842 return ALIGN(max(base->start, align), align); 1843 } 1844 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki