[PATCH] Clarify the rootid_owns_currentns

[kernel test robot]

Hi Serge,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on brauner-vfs/vfs.all v6.18-rc5 next-20251114]
[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/Serge-E-Hallyn/Clarify-the-rootid_owns_currentns/20251115-053655
base:   linus/master
patch link:    https://lore.kernel.org/r/aRegH8P4cPlzzlX9%40mail.hallyn.com
patch subject: [PATCH] Clarify the rootid_owns_currentns
config: alpha-allnoconfig (https://download.01.org/0day-ci/archive/20251115/202511150644.EXaXOsVc-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251115/202511150644.EXaXOsVc-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511150644.EXaXOsVc-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> Warning: security/commoncap.c:369 function parameter 'kuid' not described in 'kuid_root_in_ns'
>> Warning: security/commoncap.c:369 function parameter 'ns' not described in 'kuid_root_in_ns'

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