tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 2a82ebf963a58eaae57bc365d5d523592f13db7b commit: 9c449e4d9af5b69a1b9fdae9e3f18dc1515635b8 [2679/2679] bpf-rvi: Add bpf_mem_{total,free}cma kfunc config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250815/202508151842.k7QexzPZ-lkp@i...) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250815/202508151842.k7QexzPZ-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202508151842.k7QexzPZ-lkp@intel.com/ All warnings (new ones prefixed by >>): | ^ | static kernel/bpf-rvi/common_kfuncs.c:83:18: warning: no previous prototype for function 'bpf_si_memswinfo' [-Wmissing-prototypes] 83 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^ kernel/bpf-rvi/common_kfuncs.c:83:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 83 | __bpf_kfunc void bpf_si_memswinfo(struct bpf_sysinfo *bsi) | ^ | static kernel/bpf-rvi/common_kfuncs.c:93:27: warning: no previous prototype for function 'bpf_page_counter_read' [-Wmissing-prototypes] 93 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^ kernel/bpf-rvi/common_kfuncs.c:93:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 93 | __bpf_kfunc unsigned long bpf_page_counter_read(struct page_counter *counter) | ^ | static kernel/bpf-rvi/common_kfuncs.c:103:18: warning: no previous prototype for function 'bpf_seq_file_append' [-Wmissing-prototypes] 103 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ kernel/bpf-rvi/common_kfuncs.c:103:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 103 | __bpf_kfunc void bpf_seq_file_append(struct seq_file *dst, struct seq_file *src) | ^ | static kernel/bpf-rvi/common_kfuncs.c:117:18: warning: no previous prototype for function 'bpf_get_boottime_timens' [-Wmissing-prototypes] 117 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ kernel/bpf-rvi/common_kfuncs.c:117:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 117 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime) | ^ | static kernel/bpf-rvi/common_kfuncs.c:123:27: warning: no previous prototype for function 'bpf_get_total_forks' [-Wmissing-prototypes] 123 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ kernel/bpf-rvi/common_kfuncs.c:123:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 123 | __bpf_kfunc unsigned long bpf_get_total_forks(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:128:26: warning: no previous prototype for function 'bpf_nr_running' [-Wmissing-prototypes] 128 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ kernel/bpf-rvi/common_kfuncs.c:128:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 128 | __bpf_kfunc unsigned int bpf_nr_running(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:133:32: warning: no previous prototype for function 'bpf_nr_context_switches' [-Wmissing-prototypes] 133 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ kernel/bpf-rvi/common_kfuncs.c:133:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 133 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:138:26: warning: no previous prototype for function 'bpf_nr_iowait' [-Wmissing-prototypes] 138 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ kernel/bpf-rvi/common_kfuncs.c:138:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 138 | __bpf_kfunc unsigned int bpf_nr_iowait(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:144:26: warning: no previous prototype for function 'bpf_kstat_softirqs_cpu' [-Wmissing-prototypes] 144 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:144:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 144 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:149:27: warning: no previous prototype for function 'bpf_kstat_cpu_irqs_sum' [-Wmissing-prototypes] 149 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:149:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 149 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:154:18: warning: no previous prototype for function 'bpf_kcpustat_cpu_fetch' [-Wmissing-prototypes] 154 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^ kernel/bpf-rvi/common_kfuncs.c:154:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 154 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu) | ^ | static kernel/bpf-rvi/common_kfuncs.c:163:27: warning: no previous prototype for function 'bpf_mem_file_hugepage' [-Wmissing-prototypes] 163 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^ kernel/bpf-rvi/common_kfuncs.c:163:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 163 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:168:27: warning: no previous prototype for function 'bpf_mem_file_pmdmapped' [-Wmissing-prototypes] 168 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^ kernel/bpf-rvi/common_kfuncs.c:168:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 168 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:173:27: warning: no previous prototype for function 'bpf_mem_kreclaimable' [-Wmissing-prototypes] 173 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^ kernel/bpf-rvi/common_kfuncs.c:173:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 173 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void) | ^ | static

...

kernel/bpf-rvi/common_kfuncs.c:179:27: warning: no previous prototype for function 'bpf_mem_totalcma' [-Wmissing-prototypes] 179 | __bpf_kfunc unsigned long bpf_mem_totalcma(void) | ^ kernel/bpf-rvi/common_kfuncs.c:179:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 179 | __bpf_kfunc unsigned long bpf_mem_totalcma(void) | ^ | static kernel/bpf-rvi/common_kfuncs.c:184:27: warning: no previous prototype for function 'bpf_mem_freecma' [-Wmissing-prototypes] 184 | __bpf_kfunc unsigned long bpf_mem_freecma(void) | ^ kernel/bpf-rvi/common_kfuncs.c:184:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 184 | __bpf_kfunc unsigned long bpf_mem_freecma(void) | ^ | static 20 warnings generated.

vim +/bpf_mem_totalcma +179 kernel/bpf-rvi/common_kfuncs.c 178

179 __bpf_kfunc unsigned long bpf_mem_totalcma(void) 180 { 181 return totalcma_pages; 182 } 183 184 __bpf_kfunc unsigned long bpf_mem_freecma(void) 185 { 186 return global_zone_page_state(NR_FREE_CMA_PAGES); 187 } 188

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki