Re: [PATCH v2] mm/memcg: clear folio memcg after changing per memcg stats

[kernel test robot]

Hi Bingfang,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 88297631d4d42f6004cb39c0ba3da7d2d10a616f]

url:    https://github.com/intel-lab-lkp/linux/commits/Bingfang-Guo-via-B4-Relay/mm-memcg-clear-folio-memcg-after-changing-per-memcg-stats/20260901-144911
base:   88297631d4d42f6004cb39c0ba3da7d2d10a616f
patch link:    https://lore.kernel.org/r/20260901-memcg-swapcache-stats-fix-v2-1-9caad330459b%40tencent.com
patch subject: [PATCH v2] mm/memcg: clear folio memcg after changing per memcg stats
config: powerpc-randconfig-r071-20260901 (https://download.01.org/0day-ci/archive/20260901/202609012136.TM23t7zi-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
smatch: v0.5.0-9187-g5189e3fb
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260901/202609012136.TM23t7zi-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609012136.TM23t7zi-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> Warning: mm/swap_state.c:317 function parameter 'swapout' not described in '__swap_cache_del_folio'
>> Warning: mm/swap_state.c:317 function parameter 'swapout' not described in '__swap_cache_del_folio'

--
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