reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/c33b23766e3a4235d1426c78211e784827786a22 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review fujunjie/mm-zswap-expose-range-state-for-swapin-policy/20260529-204559 git checkout c33b23766e3a4235d1426c78211e784827786a22 # clang-22 might not be officially released. Try a lower version if installation fails. git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang-22 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/nvme/target/ kernel/rcu/ mm/