reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # https://github.com/gmprice/linux/commit/fcf523ffd2839c474457c3af29555129848d8eb3
        git remote add gmprice https://github.com/gmprice/linux
        git fetch --no-tags gmprice mempolicy2_mbind2
        git checkout fcf523ffd2839c474457c3af29555129848d8eb3
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-17 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash mm/