Hi "Matthew, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on next-20210505] [cannot apply to hnaz-linux-mm/master xfs-linux/for-next tip/perf/core shaggy/jfs-next block/for-next linus/master asm-generic/master v5.12 v5.12-rc8 v5.12-rc7 v5.12] [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/Matthew-Wilcox-Oracle/Memory-folios/20210506-014108 base: 29955e0289b3255c5f609a7564a0f0bb4ae35c7a config: powerpc-randconfig-r013-20210505 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439) 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 powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://github.com/0day-ci/linux/commit/10f8a1d9657c57cdbad467d07ea326e6c831ac81 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Memory-folios/20210506-014108 git checkout 10f8a1d9657c57cdbad467d07ea326e6c831ac81 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from arch/powerpc/kernel/asm-offsets.c:23: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: >> include/linux/memcontrol.h:1213:56: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions] static inline void folio_uncharge_cgroup(struct folio *) ^ 1 warning generated. -- In file included from mm/shmem.c:35: In file included from include/linux/swap.h:9: >> include/linux/memcontrol.h:1213:56: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions] static inline void folio_uncharge_cgroup(struct folio *) ^ mm/shmem.c:1464:20: warning: unused function 'shmem_show_mpol' [-Wunused-function] static inline void shmem_show_mpol(struct seq_file *seq, struct mempolicy *mpol) ^ 2 warnings generated. -- In file included from mm/page_alloc.c:21: In file included from include/linux/swap.h:9: >> include/linux/memcontrol.h:1213:56: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions] static inline void folio_uncharge_cgroup(struct folio *) ^ mm/page_alloc.c:3651:15: warning: no previous prototype for function 'should_fail_alloc_page' [-Wmissing-prototypes] noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) ^ mm/page_alloc.c:3651:10: note: declare 'static' if the function is not intended to be used outside of this translation unit noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) ^ static 2 warnings generated. -- In file included from mm/sparse.c:14: In file included from include/linux/swap.h:9: >> include/linux/memcontrol.h:1213:56: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions] static inline void folio_uncharge_cgroup(struct folio *) ^ mm/sparse.c:720:25: warning: no previous prototype for function 'populate_section_memmap' [-Wmissing-prototypes] struct page * __meminit populate_section_memmap(unsigned long pfn, ^ mm/sparse.c:720:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct page * __meminit populate_section_memmap(unsigned long pfn, ^ static 2 warnings generated. -- In file included from mm/slub.c:14: In file included from include/linux/swap.h:9: >> include/linux/memcontrol.h:1213:56: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions] static inline void folio_uncharge_cgroup(struct folio *) ^ mm/slub.c:1534:21: warning: unused function 'kmalloc_large_node_hook' [-Wunused-function] static inline void *kmalloc_large_node_hook(void *ptr, size_t size, gfp_t flags) ^ 2 warnings generated. -- In file included from kernel/sched/core.c:13: In file included from kernel/sched/sched.h:65: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: >> include/linux/memcontrol.h:1213:56: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions] static inline void folio_uncharge_cgroup(struct folio *) ^ kernel/sched/core.c:2850:6: warning: no previous prototype for function 'sched_set_stop_task' [-Wmissing-prototypes] void sched_set_stop_task(int cpu, struct task_struct *stop) ^ kernel/sched/core.c:2850:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void sched_set_stop_task(int cpu, struct task_struct *stop) ^ static 2 warnings generated. -- In file included from kernel/sched/cputime.c:5: In file included from kernel/sched/sched.h:65: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: >> include/linux/memcontrol.h:1213:56: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions] static inline void folio_uncharge_cgroup(struct folio *) ^ kernel/sched/cputime.c:256:19: warning: unused function 'account_other_time' [-Wunused-function] static inline u64 account_other_time(u64 max) ^ kernel/sched/cputime.c:399:20: warning: unused function 'irqtime_account_idle_ticks' [-Wunused-function] static inline void irqtime_account_idle_ticks(int ticks) { } ^ kernel/sched/cputime.c:400:20: warning: unused function 'irqtime_account_process_tick' [-Wunused-function] static inline void irqtime_account_process_tick(struct task_struct *p, int user_tick, ^ 4 warnings generated. -- In file included from kernel/sched/rt.c:6: In file included from kernel/sched/sched.h:65: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: >> include/linux/memcontrol.h:1213:56: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions] static inline void folio_uncharge_cgroup(struct folio *) ^ kernel/sched/rt.c:669:6: warning: no previous prototype for function 'sched_rt_bandwidth_account' [-Wmissing-prototypes] bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) ^ kernel/sched/rt.c:669:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) ^ static 2 warnings generated. -- In file included from kernel/sched/topology.c:5: In file included from kernel/sched/sched.h:65: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: >> include/linux/memcontrol.h:1213:56: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions] static inline void folio_uncharge_cgroup(struct folio *) ^ kernel/sched/topology.c:157:20: warning: unused function 'sched_debug' [-Wunused-function] static inline bool sched_debug(void) ^ 2 warnings generated. -- error: no override and no default toolchain set init/Kconfig:70:warning: 'RUSTC_VERSION': number is invalid In file included from arch/powerpc/kernel/asm-offsets.c:23: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: >> include/linux/memcontrol.h:1213:56: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions] static inline void folio_uncharge_cgroup(struct folio *) ^ 1 warning generated. vim +1213 include/linux/memcontrol.h 1212 > 1213 static inline void folio_uncharge_cgroup(struct folio *) 1214 { 1215 } 1216 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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