reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/gourryinverse/linux/commit/ab956ee2656aac6dedd7e2a834a77683dab7b686
        git remote add gourryinverse https://github.com/gourryinverse/linux
        git fetch --no-tags gourryinverse gourry_vmscan_cpuset
        git checkout ab956ee2656aac6dedd7e2a834a77683dab7b686
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.3.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=csky olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.3.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=csky SHELL=/bin/bash kernel/