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=x86_64 olddefconfig make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash