reproduce:
        # https://github.com/intel-lab-lkp/linux/commit/1202b576c2e876c8cab1c41f1816a3c15bdf79d3
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Dev-Jain/mm-rmap-initialize-nr_pages-to-1-at-loop-start-in-try_to_unmap_one/20260414-033035
        git checkout 1202b576c2e876c8cab1c41f1816a3c15bdf79d3
        make menuconfig
        # enable CONFIG_COMPILE_TEST, CONFIG_WARN_MISSING_DOCUMENTS, CONFIG_WARN_ABI_ERRORS
        # pip install -r Documentation/sphinx/requirements.txt
        make htmldocs