tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 4b358aabb93a2c654cd1dcab1a25a589f6e2b153 commit: 183aaa60c0a7cc081a81360653257572f356d1dc [7729/7963] mm: wire up syscall process_mrelease config: arm64-randconfig-r034-20210815 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 7776b19eed44906e9973bfb240b6279d6feaab41) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... 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 183aaa60c0a7cc081a81360653257572f356d1dc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 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 >>): asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:53:1: note: expanded from here __arm64_sys_msync ^ kernel/sys_ni.c:284:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:285:1: warning: no previous prototype for function '__arm64_sys_mlock' [-Wmissing-prototypes] COND_SYSCALL(mlock); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:54:1: note: expanded from here __arm64_sys_mlock ^ kernel/sys_ni.c:285:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:286:1: warning: no previous prototype for function '__arm64_sys_munlock' [-Wmissing-prototypes] COND_SYSCALL(munlock); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:55:1: note: expanded from here __arm64_sys_munlock ^ kernel/sys_ni.c:286:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:287:1: warning: no previous prototype for function '__arm64_sys_mlockall' [-Wmissing-prototypes] COND_SYSCALL(mlockall); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:56:1: note: expanded from here __arm64_sys_mlockall ^ kernel/sys_ni.c:287:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:288:1: warning: no previous prototype for function '__arm64_sys_munlockall' [-Wmissing-prototypes] COND_SYSCALL(munlockall); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:57:1: note: expanded from here __arm64_sys_munlockall ^ kernel/sys_ni.c:288:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:289:1: warning: no previous prototype for function '__arm64_sys_mincore' [-Wmissing-prototypes] COND_SYSCALL(mincore); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:58:1: note: expanded from here __arm64_sys_mincore ^ kernel/sys_ni.c:289:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:290:1: warning: no previous prototype for function '__arm64_sys_madvise' [-Wmissing-prototypes] COND_SYSCALL(madvise); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:59:1: note: expanded from here __arm64_sys_madvise ^ kernel/sys_ni.c:290:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:291:1: warning: no previous prototype for function '__arm64_sys_process_madvise' [-Wmissing-prototypes] COND_SYSCALL(process_madvise); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:60:1: note: expanded from here __arm64_sys_process_madvise ^ kernel/sys_ni.c:291:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ COND_SYSCALL(process_mrelease); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:61:1: note: expanded from here __arm64_sys_process_mrelease ^ kernel/sys_ni.c:292:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:293:1: warning: no previous prototype for function '__arm64_sys_remap_file_pages' [-Wmissing-prototypes] COND_SYSCALL(remap_file_pages); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:62:1: note: expanded from here __arm64_sys_remap_file_pages ^ kernel/sys_ni.c:293:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:294:1: warning: no previous prototype for function '__arm64_sys_mbind' [-Wmissing-prototypes] COND_SYSCALL(mbind); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:63:1: note: expanded from here __arm64_sys_mbind ^ kernel/sys_ni.c:294:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:296:1: warning: no previous prototype for function '__arm64_sys_get_mempolicy' [-Wmissing-prototypes] COND_SYSCALL(get_mempolicy); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:68:1: note: expanded from here __arm64_sys_get_mempolicy ^ kernel/sys_ni.c:296:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:298:1: warning: no previous prototype for function '__arm64_sys_set_mempolicy' [-Wmissing-prototypes] COND_SYSCALL(set_mempolicy); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:73:1: note: expanded from here __arm64_sys_set_mempolicy ^ kernel/sys_ni.c:298:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:300:1: warning: no previous prototype for function '__arm64_sys_migrate_pages' [-Wmissing-prototypes] COND_SYSCALL(migrate_pages); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:78:1: note: expanded from here __arm64_sys_migrate_pages ^ kernel/sys_ni.c:300:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:302:1: warning: no previous prototype for function '__arm64_sys_move_pages' [-Wmissing-prototypes] COND_SYSCALL(move_pages); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:83:1: note: expanded from here __arm64_sys_move_pages ^ kernel/sys_ni.c:302:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ kernel/sys_ni.c:305:1: warning: no previous prototype for function '__arm64_sys_perf_event_open' [-Wmissing-prototypes] COND_SYSCALL(perf_event_open); ^ arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL' asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs) \ ^ <scratch space>:88:1: note: expanded from here __arm64_sys_perf_event_open ^ kernel/sys_ni.c:305:1: note: declare 'static' if the function is not intended to be used outside of this translation unit vim +/__arm64_sys_process_mrelease +292 kernel/sys_ni.c 279 280 /* mm/, CONFIG_MMU only */ 281 COND_SYSCALL(swapon); 282 COND_SYSCALL(swapoff); 283 COND_SYSCALL(mprotect); 284 COND_SYSCALL(msync); 285 COND_SYSCALL(mlock); 286 COND_SYSCALL(munlock); 287 COND_SYSCALL(mlockall); 288 COND_SYSCALL(munlockall); 289 COND_SYSCALL(mincore); 290 COND_SYSCALL(madvise); 291 COND_SYSCALL(process_madvise); 293 COND_SYSCALL(remap_file_pages); 294 COND_SYSCALL(mbind); 295 COND_SYSCALL_COMPAT(mbind); 296 COND_SYSCALL(get_mempolicy); 297 COND_SYSCALL_COMPAT(get_mempolicy); 298 COND_SYSCALL(set_mempolicy); 299 COND_SYSCALL_COMPAT(set_mempolicy); 300 COND_SYSCALL(migrate_pages); 301 COND_SYSCALL_COMPAT(migrate_pages); 302 COND_SYSCALL(move_pages); 303 COND_SYSCALL_COMPAT(move_pages); 304 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org