reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://github.com/intel-lab-lkp/linux/commit/6c4d1d79616841d707e4b18ed07357d80720848c git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Barry-Song/mm-swap-introduce-swapcache_prepare_nr-and-swapcache_clear_nr-for-large-folios-swap-in/20240726-181412 git checkout 6c4d1d79616841d707e4b18ed07357d80720848c # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 SHELL=/bin/bash mm/