reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://git.kernel.org/pub/scm/linux/kernel/git/legion/linux.git/commit/?id=894d5981f7e7db9482ef95472cf73f4bcc68a551
        git remote add legion https://git.kernel.org/pub/scm/linux/kernel/git/legion/linux.git
        git fetch --no-tags legion patchset/meminfo/v2.1
        git checkout 894d5981f7e7db9482ef95472cf73f4bcc68a551
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/