Hi "Aneesh,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on arm64/for-next/core]
[also build test WARNING on linus/master v5.15-rc6]
[cannot apply to hnaz-mm/master tip/x86/asm next-20211020]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Aneesh-Kumar-K-V/mm-mempolicy-use-policy_node-helper-with-MPOL_PREFERRED_MANY/20211020-172721
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: arm64-randconfig-r033-20211019 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 9660563950aaed54020bfdf0be07e7096a9553e4)
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://github.com/0day-ci/linux/commit/10f30e8157782f17ae682c2bbca95c226af3612a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Aneesh-Kumar-K-V/mm-mempolicy-use-policy_node-helper-with-MPOL_PREFERRED_MANY/20211020-172721
        git checkout 10f30e8157782f17ae682c2bbca95c226af3612a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

           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)   \
                      ^
   kernel/sys_ni.c:292:1: warning: no previous prototype for function '__arm64_sys_process_mrelease' [-Wmissing-prototypes]
   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:295:1: 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>:64:1: note: expanded from here
   __arm64_sys_get_mempolicy
   ^
   kernel/sys_ni.c:295:1: 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_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>:65:1: note: expanded from here
   __arm64_sys_set_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:297:1: 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>:66:1: note: expanded from here
   __arm64_sys_migrate_pages
   ^
   kernel/sys_ni.c:297:1: 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_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>:67:1: note: expanded from here
   __arm64_sys_move_pages
   ^
   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:299:1: warning: no previous prototype for function '__arm64_sys_set_mempolicy_home_node' [-Wmissing-prototypes]
   COND_SYSCALL(set_mempolicy_home_node);
   ^
   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_set_mempolicy_home_node
   ^
   kernel/sys_ni.c:299:1: 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:301:1: 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>:69:1: note: expanded from here
   __arm64_sys_perf_event_open
   ^
   kernel/sys_ni.c:301:1: 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_accept4' [-Wmissing-prototypes]
   COND_SYSCALL(accept4);
   ^
   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>:70:1: note: expanded from here
   __arm64_sys_accept4
   ^
   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:303:1: warning: no previous prototype for function '__arm64_sys_recvmmsg' [-Wmissing-prototypes]
   COND_SYSCALL(recvmmsg);
   ^
   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>:71:1: note: expanded from here
   __arm64_sys_recvmmsg
   ^
   kernel/sys_ni.c:303:1: 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:304:1: warning: no previous prototype for function '__arm64_sys_recvmmsg_time32' [-Wmissing-prototypes]
   COND_SYSCALL(recvmmsg_time32);
   ^
   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>:72:1: note: expanded from here
   __arm64_sys_recvmmsg_time32
   ^
   kernel/sys_ni.c:304:1: 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:313:1: warning: no previous prototype for function '__arm64_sys_fanotify_init' [-Wmissing-prototypes]
   COND_SYSCALL(fanotify_init);
   ^
   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>:81:1: note: expanded from here
   __arm64_sys_fanotify_init
   ^
   kernel/sys_ni.c:313:1: 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:314:1: warning: no previous prototype for function '__arm64_sys_fanotify_mark' [-Wmissing-prototypes]
   COND_SYSCALL(fanotify_mark);
   ^
   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>:82:1: note: expanded from here
   __arm64_sys_fanotify_mark
   ^
   kernel/sys_ni.c:314:1: 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:317:1: warning: no previous prototype for function '__arm64_sys_name_to_handle_at' [-Wmissing-prototypes]
   COND_SYSCALL(name_to_handle_at);
   ^
   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_name_to_handle_at
   ^
   kernel/sys_ni.c:317:1: note: declare 'static' if the function is not intended to be used outside of this translation unit


vim +/__arm64_sys_set_mempolicy_home_node +299 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);
   292	COND_SYSCALL(process_mrelease);
   293	COND_SYSCALL(remap_file_pages);
   294	COND_SYSCALL(mbind);
   295	COND_SYSCALL(get_mempolicy);
   296	COND_SYSCALL(set_mempolicy);
   297	COND_SYSCALL(migrate_pages);
 > 298	COND_SYSCALL(move_pages);
 > 299	COND_SYSCALL(set_mempolicy_home_node);
   300	

---
0-DAY CI Kernel Test Service, Intel Corporation
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