* [openeuler:OLK-6.6 2679/2679] kernel/bpf-rvi/common_kfuncs.c:238:27: warning: no previous prototype for function 'bpf_mem_failure'
@ 2025-08-15 14:09 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-08-15 14:09 UTC (permalink / raw)
To: kernel, GONG Ruiqi; +Cc: oe-kbuild-all
tree: https://gitee.com/openeuler/kernel.git OLK-6.6
head: 54d96ebb93c9ff0573fe16586a47778ebe26de32
commit: 09893ff02def3af3147aff056dca7bee71c432f0 [2679/2679] bpf-rvi: Add bpf_mem_failure kfunc
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250815/202508152209.qAp1xBAt-lkp@intel.com/config)
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/20250815/202508152209.qAp1xBAt-lkp@intel.com/reproduce)
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/202508152209.qAp1xBAt-lkp@intel.com/
All warnings (new ones prefixed by >>):
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:118:18: warning: no previous prototype for function 'bpf_get_boottime_timens' [-Wmissing-prototypes]
118 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime)
| ^
kernel/bpf-rvi/common_kfuncs.c:118:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
118 | __bpf_kfunc void bpf_get_boottime_timens(struct task_struct *tsk, struct timespec64 *boottime)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:124:27: warning: no previous prototype for function 'bpf_get_total_forks' [-Wmissing-prototypes]
124 | __bpf_kfunc unsigned long bpf_get_total_forks(void)
| ^
kernel/bpf-rvi/common_kfuncs.c:124:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
124 | __bpf_kfunc unsigned long bpf_get_total_forks(void)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:129:26: warning: no previous prototype for function 'bpf_nr_running' [-Wmissing-prototypes]
129 | __bpf_kfunc unsigned int bpf_nr_running(void)
| ^
kernel/bpf-rvi/common_kfuncs.c:129:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
129 | __bpf_kfunc unsigned int bpf_nr_running(void)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:134:32: warning: no previous prototype for function 'bpf_nr_context_switches' [-Wmissing-prototypes]
134 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void)
| ^
kernel/bpf-rvi/common_kfuncs.c:134:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
134 | __bpf_kfunc unsigned long long bpf_nr_context_switches(void)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:139:26: warning: no previous prototype for function 'bpf_nr_iowait' [-Wmissing-prototypes]
139 | __bpf_kfunc unsigned int bpf_nr_iowait(void)
| ^
kernel/bpf-rvi/common_kfuncs.c:139:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
139 | __bpf_kfunc unsigned int bpf_nr_iowait(void)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:145:26: warning: no previous prototype for function 'bpf_kstat_softirqs_cpu' [-Wmissing-prototypes]
145 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu)
| ^
kernel/bpf-rvi/common_kfuncs.c:145:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
145 | __bpf_kfunc unsigned int bpf_kstat_softirqs_cpu(unsigned int irq, int cpu)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:150:27: warning: no previous prototype for function 'bpf_kstat_cpu_irqs_sum' [-Wmissing-prototypes]
150 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu)
| ^
kernel/bpf-rvi/common_kfuncs.c:150:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
150 | __bpf_kfunc unsigned long bpf_kstat_cpu_irqs_sum(unsigned int cpu)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:155:18: warning: no previous prototype for function 'bpf_kcpustat_cpu_fetch' [-Wmissing-prototypes]
155 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu)
| ^
kernel/bpf-rvi/common_kfuncs.c:155:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
155 | __bpf_kfunc void bpf_kcpustat_cpu_fetch(struct kernel_cpustat *dst, int cpu)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:164:27: warning: no previous prototype for function 'bpf_mem_file_hugepage' [-Wmissing-prototypes]
164 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void)
| ^
kernel/bpf-rvi/common_kfuncs.c:164:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
164 | __bpf_kfunc unsigned long bpf_mem_file_hugepage(void)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:169:27: warning: no previous prototype for function 'bpf_mem_file_pmdmapped' [-Wmissing-prototypes]
169 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void)
| ^
kernel/bpf-rvi/common_kfuncs.c:169:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
169 | __bpf_kfunc unsigned long bpf_mem_file_pmdmapped(void)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:174:27: warning: no previous prototype for function 'bpf_mem_kreclaimable' [-Wmissing-prototypes]
174 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void)
| ^
kernel/bpf-rvi/common_kfuncs.c:174:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
174 | __bpf_kfunc unsigned long bpf_mem_kreclaimable(void)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:180:27: warning: no previous prototype for function 'bpf_mem_totalcma' [-Wmissing-prototypes]
180 | __bpf_kfunc unsigned long bpf_mem_totalcma(void)
| ^
kernel/bpf-rvi/common_kfuncs.c:180:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
180 | __bpf_kfunc unsigned long bpf_mem_totalcma(void)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:185:27: warning: no previous prototype for function 'bpf_mem_freecma' [-Wmissing-prototypes]
185 | __bpf_kfunc unsigned long bpf_mem_freecma(void)
| ^
kernel/bpf-rvi/common_kfuncs.c:185:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
185 | __bpf_kfunc unsigned long bpf_mem_freecma(void)
| ^
| static
kernel/bpf-rvi/common_kfuncs.c:200:17: warning: no previous prototype for function 'bpf_hugetlb_report_meminfo' [-Wmissing-prototypes]
200 | __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info)
| ^
kernel/bpf-rvi/common_kfuncs.c:200:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
200 | __bpf_kfunc int bpf_hugetlb_report_meminfo(struct bpf_mem_hugepage *hugepage_info)
| ^
| static
>> kernel/bpf-rvi/common_kfuncs.c:238:27: warning: no previous prototype for function 'bpf_mem_failure' [-Wmissing-prototypes]
238 | __bpf_kfunc unsigned long bpf_mem_failure(void)
| ^
kernel/bpf-rvi/common_kfuncs.c:238:13: note: declare 'static' if the function is not intended to be used outside of this translation unit
238 | __bpf_kfunc unsigned long bpf_mem_failure(void)
| ^
| static
22 warnings generated.
vim +/bpf_mem_failure +238 kernel/bpf-rvi/common_kfuncs.c
231
232 #ifdef CONFIG_MEMORY_FAILURE
233 __bpf_kfunc unsigned long bpf_mem_failure(void)
234 {
235 return atomic_long_read(&num_poisoned_pages) << (PAGE_SHIFT - 10);
236 }
237 #else
> 238 __bpf_kfunc unsigned long bpf_mem_failure(void)
239 {
240 return 0;
241 }
242 #endif
243
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2025-08-15 14:09 [openeuler:OLK-6.6 2679/2679] kernel/bpf-rvi/common_kfuncs.c:238:27: warning: no previous prototype for function 'bpf_mem_failure' kernel test robot
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