reproduce (this is a W=1 build):
        git clone https://github.com/intel/lkp-tests.git ~/lkp-tests
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/surenbaghdasaryan/linux/commit/6720e180dd2c9151eec11e2d63bb2408cf2184b4
        git remote add surenbaghdasaryan https://github.com/surenbaghdasaryan/linux.git
        git fetch --no-tags surenbaghdasaryan memalloc_prof_v4
        git checkout 6720e180dd2c9151eec11e2d63bb2408cf2184b4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-19 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash mm/