reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/rgushchin/linux/commit/2938aa6b55a86fcc01eac93b94650782d10d7042
        git remote add rgushchin https://github.com/rgushchin/linux.git
        git fetch --no-tags rgushchin kmem_performance.rfc
        git checkout 2938aa6b55a86fcc01eac93b94650782d10d7042
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/bin/make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/bin/make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash