Re: [RFC next v2 5/5] ucount: add rlimit cache for ucount

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

Hi Chen,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on next-20250508]

url:    https://github.com/intel-lab-lkp/linux/commits/Chen-Ridong/user_namespace-add-children-list-node/20250509-153709
base:   next-20250508
patch link:    https://lore.kernel.org/r/20250509072054.148257-6-chenridong%40huaweicloud.com
patch subject: [RFC next v2 5/5] ucount: add rlimit cache for ucount
config: i386-buildonly-randconfig-004-20250510 (https://download.01.org/0day-ci/archive/20250510/202505100258.uXDFTc4e-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250510/202505100258.uXDFTc4e-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/202505100258.uXDFTc4e-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: kernel/ucount.o: in function `rlimit_drain_type_cache':
>> ucount.c:(.text+0x417): undefined reference to `ns_next_child_pre'
>> ld: ucount.c:(.text+0x48a): undefined reference to `ns_next_child_pre'

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