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* [rppt:mm_init/mem_init/v0.1 2/13] arch/um/kernel/physmem.c:27:41: warning: variable 'total_pages' set but not used
@ 2025-03-04 14:41 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-03-04 14:41 UTC (permalink / raw)
  To: Mike Rapoport (Microsoft); +Cc: llvm, oe-kbuild-all, Mike Rapoport

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

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2025-03-04 14:41 [rppt:mm_init/mem_init/v0.1 2/13] arch/um/kernel/physmem.c:27:41: warning: variable 'total_pages' set but not used kernel test robot

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