From: kernel test robot <lkp@intel.com>
To: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Mike Rapoport <rppt@kernel.org>
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
Date: Tue, 4 Mar 2025 22:41:59 +0800 [thread overview]
Message-ID: <202503042228.XJgKY4mi-lkp@intel.com> (raw)
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 <lkp@intel.com>
| 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 <tiwei.btw@antgroup.com>
:::::: CC: Johannes Berg <johannes.berg@intel.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-03-04 14:42 UTC|newest]
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