Re: [PATCH v12 1/3] lib: Introduce hierarchical per-cpu counters

[kernel test robot <lkp@intel.com>]

Hi Mathieu,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20260109]
[cannot apply to akpm-mm/mm-everything kees/for-next/execve tip/sched/core linus/master v6.19-rc4 v6.19-rc3 v6.19-rc2 v6.19-rc4]
[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/Mathieu-Desnoyers/lib-Introduce-hierarchical-per-cpu-counters/20260111-231206
base:   next-20260109
patch link:    https://lore.kernel.org/r/20260111150249.1222944-2-mathieu.desnoyers%40efficios.com
patch subject: [PATCH v12 1/3] lib: Introduce hierarchical per-cpu counters
config: x86_64-randconfig-161-20260112 (https://download.01.org/0day-ci/archive/20260112/202601120245.v2Trbgck-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
smatch version: v0.5.0-8985-g2614ff1a
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260112/202601120245.v2Trbgck-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/202601120245.v2Trbgck-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from init/main.c:107:
>> include/linux/percpu_counter_tree.h:230:13: error: incompatible pointer types passing 'atomic_long_t *' (aka 'atomic64_t *') to parameter of type 'atomic_t *' [-Werror,-Wincompatible-pointer-types]
     230 |         atomic_set(&counter->count, v);
         |                    ^~~~~~~~~~~~~~~
   include/linux/atomic/atomic-instrumented.h:65:22: note: passing argument to parameter 'v' here
      65 | atomic_set(atomic_t *v, int i)
         |                      ^
   1 error generated.


vim +230 include/linux/percpu_counter_tree.h

   226	
   227	static inline
   228	void percpu_counter_tree_set(struct percpu_counter_tree *counter, long v)
   229	{
 > 230		atomic_set(&counter->count, v);
   231	}
   232	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki