reproduce (this is a W=1 build): git checkout d58172d128acbafa2295aa17cc96e28260da9a86 b4 shazam https://lore.kernel.org/r/20250227-pageblock-lockdep-v1-1-3701efb331bb@google.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 mm/