tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 71941773e143369a73c9c4a3b62fbb60736a1182 commit: 8a676c9d1697eaf76d2e81b5b18e09af21d7c7bd [11931/11953] mm: optimize do_wp_page() for fresh pages in local LRU pagevecs config: riscv-randconfig-r042-20220314 (https://download.01.org/0day-ci/archive/20220315/202203150329.AC4pjgdo-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0467eb2cb7654c15ae366967ef35093c5724c416) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=8a676c9d1697eaf76d2e81b5b18e09af21d7c7bd git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 8a676c9d1697eaf76d2e81b5b18e09af21d7c7bd # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): >> WARNING: modpost: vmlinux.o(.data+0x29c244): Section mismatch in reference from the variable ipv4_route_table to the function .init.text:set_reset_devices() The variable ipv4_route_table references the function __init set_reset_devices() If the reference is valid then annotate the variable with or __refdata (see linux/init.h) or name the variable: Note: the below error/warnings can be found in parent commit: << WARNING: modpost: vmlinux.o(.text+0x1448b2a): Section mismatch in reference from the function tcp4_proc_exit() to the function .init.text:set_reset_devices() << WARNING: modpost: vmlinux.o(.data+0x2b15e8): Section mismatch in reference from the variable event_rpcgss_ctx_init to the function .exit.text:test_ww_mutex_exit() << WARNING: modpost: vmlinux.o(.data+0x2b15ec): Section mismatch in reference from the variable event_rpcgss_ctx_init to the variable .exit.text:.LBB0_1 << WARNING: modpost: vmlinux.o(.data+0x2b1618): Section mismatch in reference from the variable event_rpcgss_ctx_destroy to the function .exit.text:test_ww_mutex_exit() << WARNING: modpost: vmlinux.o(.data+0x2b1638): Section mismatch in reference from the variable event_rpcgss_ctx_destroy to the variable .exit.text:.LBB0_1 << WARNING: modpost: vmlinux.o(.data+0x2b1660): Section mismatch in reference from the variable trace_event_fields_rpcgss_svc_gssapi_class to the function .exit.text:test_ww_mutex_exit() << WARNING: modpost: vmlinux.o(.data+0x2b1690): Section mismatch in reference from the variable trace_event_fields_rpcgss_svc_gssapi_class to the function .init.text:init_nls_cp737() << WARNING: modpost: vmlinux.o(.data+0x2b1be8): Section mismatch in reference from the variable event_rpcgss_svc_unwrap to the function .init.text:set_reset_devices() << WARNING: modpost: vmlinux.o(.data+0x2b1c08): Section mismatch in reference from the variable event_rpcgss_svc_unwrap to the variable .init.text:.LBB1_1 << WARNING: modpost: vmlinux.o(.data+0x293824): Section mismatch in reference from the variable nf_ct_proto_mutex to the function .init.text:loglevel() --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx