reproduce (this is a W=1 build):
        git checkout 191d97734e41a5c9f90a2f6636fdd335ae1d435d
        b4 shazam https://lore.kernel.org/r/20240210-zswap-global-lru-v1-1-853473d7b0da@bytedance.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash