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X-CSE-ConnectionGUID: 8dk5RnxyR/qDCL89AHmldg== X-CSE-MsgGUID: drtFg3EjRVCz9kg6njY1UA== X-IronPort-AV: E=McAfee;i="6700,10204,11363"; a="44826573" X-IronPort-AV: E=Sophos;i="6.14,220,1736841600"; d="scan'208";a="44826573" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2025 06:42:54 -0800 X-CSE-ConnectionGUID: 89cKP9PuSiCO+csob+RIUQ== X-CSE-MsgGUID: SaND+0svTXu9hqHmmev+mw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,220,1736841600"; d="scan'208";a="123001210" Received: from lkp-server02.sh.intel.com (HELO 76cde6cc1f07) ([10.239.97.151]) by fmviesa005.fm.intel.com with ESMTP; 04 Mar 2025 06:42:53 -0800 Received: from kbuild by 76cde6cc1f07 with local (Exim 4.96) (envelope-from ) id 1tpTTv-000Ju2-06; Tue, 04 Mar 2025 14:42:51 +0000 Date: Tue, 4 Mar 2025 22:41:59 +0800 From: kernel test robot To: "Mike Rapoport (Microsoft)" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Mike Rapoport Subject: [rppt:mm_init/mem_init/v0.1 2/13] arch/um/kernel/physmem.c:27:41: warning: variable 'total_pages' set but not used Message-ID: <202503042228.XJgKY4mi-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git mm_init/mem_init/v0.1 head: 55eb95380e481029d5e7b8b442b0fdfbe79a9d3e commit: 6daa1f5d8ea5504c283f562a925f9b8b0d1602d2 [2/13] dev: arch, mm: set max_mapnr when allocating memory map config: um-allnoconfig (https://download.01.org/0day-ci/archive/20250304/202503042228.XJgKY4mi-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250304/202503042228.XJgKY4mi-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/202503042228.XJgKY4mi-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/um/kernel/physmem.c:27:41: warning: variable 'total_pages' set but not used [-Wunused-but-set-variable] 27 | unsigned long phys_pages, iomem_pages, total_pages; | ^ 1 warning generated. vim +/total_pages +27 arch/um/kernel/physmem.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 24 cd05cbed42b731 Tiwei Bie 2024-09-16 25 void __init mem_total_pages(unsigned long physmem, unsigned long iomem) ^1da177e4c3f41 Linus Torvalds 2005-04-16 26 { cd05cbed42b731 Tiwei Bie 2024-09-16 @27 unsigned long phys_pages, iomem_pages, total_pages; ^1da177e4c3f41 Linus Torvalds 2005-04-16 28 ^1da177e4c3f41 Linus Torvalds 2005-04-16 29 phys_pages = physmem >> PAGE_SHIFT; ^1da177e4c3f41 Linus Torvalds 2005-04-16 30 iomem_pages = iomem >> PAGE_SHIFT; ^1da177e4c3f41 Linus Torvalds 2005-04-16 31 cd05cbed42b731 Tiwei Bie 2024-09-16 32 total_pages = phys_pages + iomem_pages; ^1da177e4c3f41 Linus Torvalds 2005-04-16 33 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 34 :::::: The code at line 27 was first introduced by commit :::::: cd05cbed42b73168b0772b83bc24769fea3871bf um: Remove highmem leftovers :::::: TO: Tiwei Bie :::::: CC: Johannes Berg -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki