Hi Stanislav,

I love your patch! Perhaps something to improve:

[auto build test WARNING on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Stanislav-Fomichev/xdp-hints-via-kfuncs/20221213-103902
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20221213023605.737383-2-sdf%40google.com
patch subject: [PATCH bpf-next v4 01/15] bpf: Document XDP RX metadata
reproduce:
        # https://github.com/intel-lab-lkp/linux/commit/7f9cb6dfe1965bc856540839d159aa81314c7ce6
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Stanislav-Fomichev/xdp-hints-via-kfuncs/20221213-103902
        git checkout 7f9cb6dfe1965bc856540839d159aa81314c7ce6
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        make htmldocs

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> Documentation/bpf/xdp-rx-metadata.rst: WARNING: document isn't included in any toctree

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