reproduce (this is a W=1 build):
        git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
        git fetch tip x86/mm
        git checkout tip/x86/mm
        b4 shazam https://lore.kernel.org/r/20241230175550.4046587-10-riel@surriel.com
        # save the config file
        make W=1 ARCH=x86_64 olddefconfig
        make W=1 ARCH=x86_64