tree: https://android.googlesource.com/kernel/common android12-5.10 head: 4190dbd6addfd97b9fa3d61a81aeeb63e6b7cc00 commit: 5f7ec0f4c3835feb590be18194e73cc78a3a449a [13/30] UPSTREAM: memblock: fix section mismatch warning config: x86_64-randconfig-r003-20210723 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 3f2c1e99e44d028d5e9dd685f3c568f2661f2f68) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu git remote add android-common https://android.googlesource.com/kernel/common git fetch --no-tags android-common android12-5.10 git checkout 5f7ec0f4c3835feb590be18194e73cc78a3a449a # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): << WARNING: modpost: vmlinux.o(.text+0x7e8697): Section mismatch in reference from the function memblock_bottom_up() to the variable .meminit.data:memblock The function __meminit memblock_find_in_range_node() references a function __init memblock_bottom_up(). If memblock_bottom_up is only used by memblock_find_in_range_node then annotate memblock_bottom_up with a matching annotation. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org