reproduce: git clone https://github.com/intel/lkp-tests.git ~/lkp-tests # apt-get install sparse # sparse version: v0.6.4-52-g1cf3d98c-dirty # https://github.com/intel-lab-lkp/linux/commit/b81d457b174810ea7b606470a5884c3f8a340625 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Oreoluwa-Babatunde/of-reserved_mem-Change-the-order-that-reserved_mem-regions-are-stored/20240127-081735 git checkout b81d457b174810ea7b606470a5884c3f8a340625 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=arm SHELL=/bin/bash kernel/dma/