tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 26d81348fb134a6bffb49fd1b55d8842cbf6424d commit: 9e8111c56a2515c7634662d19c29fde636758a02 [1605/1605] bitmap: introduce generic optimized bitmap_size() config: x86_64-buildonly-randconfig-2004-20250501 (https://download.01.org/0day-ci/archive/20250703/202507031536.p8mTTL5J-lkp@i...) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250703/202507031536.p8mTTL5J-lkp@i...) 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/202507031536.p8mTTL5J-lkp@intel.com/ All warnings (new ones prefixed by >>):

...

lib/prime_numbers.c:8:9: warning: 'bitmap_size' macro redefined [-Wmacro-redefined] 8 | #define bitmap_size(nbits) (BITS_TO_LONGS(nbits) * sizeof(unsigned long)) | ^ include/linux/bitmap.h:215:9: note: previous definition is here 215 | #define bitmap_size(nbits) (ALIGN(nbits, BITS_PER_LONG) / BITS_PER_BYTE) | ^ 1 warning generated.

vim +/bitmap_size +8 lib/prime_numbers.c cf4a7207b1cb4a Chris Wilson 2016-12-22 7 cf4a7207b1cb4a Chris Wilson 2016-12-22 @8 #define bitmap_size(nbits) (BITS_TO_LONGS(nbits) * sizeof(unsigned long)) cf4a7207b1cb4a Chris Wilson 2016-12-22 9 :::::: The code at line 8 was first introduced by commit :::::: cf4a7207b1cb4a3c3fe3aa11a83c9d673722a7f5 lib: Add a simple prime number generator :::::: TO: Chris Wilson <chris@chris-wilson.co.uk> :::::: CC: Daniel Vetter <daniel.vetter@ffwll.ch> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki