Re: [PATCH 3/3] bitmap: add test_zero_nbits()

Yury Norov
2026-03-23T17:56:06Z

On Sun, Mar 22, 2026 at 01:09:51AM +0800, kernel test robot wrote:
> Hi Yury,
>
> kernel test robot noticed the following build errors:
>
> [auto build test ERROR on next-20260318]
> [cannot apply to akpm-mm/mm-nonmm-unstable v7.0-rc4 v7.0-rc3 v7.0-rc2 linus/master v7.0-rc4]

Just as said in cover-letter: apply it on top of -next, or
bitmap-for-next.

Applying this in bitmap-for-next for testing.

Thanks,
Yury

> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
>
> url: https://github.com/intel-lab-lkp/linux/commits/Yury-Norov/bitmap-test-bitmap_weight-for-more/20260319-221930
> base: next-20260318
> patch link: https://lore.kernel.org/r/20260319004349.849281-4-ynorov%40nvidia.com
> patch subject: [PATCH 3/3] bitmap: add test_zero_nbits()
> config: nios2-allmodconfig (https://download.01.org/0day-ci/archive/20260322/202603220114.k5BHBav5-lkp@intel.com/config)
> compiler: nios2-linux-gcc (GCC) 11.5.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260322/202603220114.k5BHBav5-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/202603220114.k5BHBav5-lkp@intel.com/
>
> All errors (new ones prefixed by >>, old ones prefixed by <<):
>
> >> ERROR: modpost: "__bitmap_or_equal" [lib/test_bitmap.ko] undefined!
> ERROR: modpost: "__bitmap_weighted_or" [lib/test_bitmap.ko] undefined!
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki