reproduce (this is a W=1 build):
        # https://github.com/davidhildenbrand/linux/commit/e628075773dea3e7c8f270ad9a0699bb36216a50
        git remote add davidhildenbrand https://github.com/davidhildenbrand/linux
        git fetch --no-tags davidhildenbrand page_mapcount_reset
        git checkout e628075773dea3e7c8f270ad9a0699bb36216a50
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash