reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/fed3344e092819bacd3a25de239265aa067bd4e7
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Johannes-Weiner/mm-page_alloc-replace-pageblock_flags-bitmap-with-struct-pageblock_data/20260407-193348
        git checkout fed3344e092819bacd3a25de239265aa067bd4e7
        # apt-get install llvm-dev

        # save the config file
        make W=1 ARCH=i386 olddefconfig
        make W=1 ARCH=i386 
        make W=1 headers_install
        make W=1 -C tools/testing/selftests