Re: [PATCH v5 2/4] mm: swap: associate swap devices with tiers

[kernel test robot]

Hi Youngjun,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 6381a729fa7dda43574d93ab9c61cec516dd885b]

url:    https://github.com/intel-lab-lkp/linux/commits/Youngjun-Park/mm-swap-introduce-swap-tier-infrastructure/20260327-203639
base:   6381a729fa7dda43574d93ab9c61cec516dd885b
patch link:    https://lore.kernel.org/r/20260325175453.2523280-3-youngjun.park%40lge.com
patch subject: [PATCH v5 2/4] mm: swap: associate swap devices with tiers
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
docutils: docutils (Docutils 0.21.2, Python 3.13.5, on linux)
reproduce: (https://download.01.org/0day-ci/archive/20260327/202603271922.UNxxB12b-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/202603271922.UNxxB12b-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   Non-Preserved Properties
   ======================== [docutils]
>> Documentation/mm/swap-tier.rst:19: WARNING: Title underline too short.
--
   Documentation/userspace-api/landlock:526: ./include/uapi/linux/landlock.h:45: ERROR: Unknown target name: "network flags". [docutils]
   Documentation/userspace-api/landlock:526: ./include/uapi/linux/landlock.h:50: ERROR: Unknown target name: "scope flags". [docutils]
   Documentation/userspace-api/landlock:526: ./include/uapi/linux/landlock.h:24: ERROR: Unknown target name: "filesystem flags". [docutils]
   Documentation/userspace-api/landlock:535: ./include/uapi/linux/landlock.h:166: ERROR: Unknown target name: "filesystem flags". [docutils]
   Documentation/userspace-api/landlock:535: ./include/uapi/linux/landlock.h:189: ERROR: Unknown target name: "network flags". [docutils]
>> Documentation/mm/swap-tier.rst: WARNING: document isn't included in any toctree [toc.not_included]
   Documentation/networking/skbuff:36: ./include/linux/skbuff.h:181: WARNING: Failed to create a cross reference. A title or caption not found: 'crc' [ref.ref]


vim +19 Documentation/mm/swap-tier.rst

    17	
    18	Use case
  > 19	-------
    20	

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