tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 43d8c124ec4624389b14d42595e5f0195e3e5a1d commit: ebd40bbe89d81531c7df459a827d7608c3de57bc [2679/2679] bpf-rvi: Add bpf_mem_cgroup_from_task() kfunc config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20250814/202508141840.Hfv7lhHI-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/20250814/202508141840.Hfv7lhHI-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/202508141840.Hfv7lhHI-lkp@intel.com/ All warnings (new ones prefixed by >>):
kernel/bpf-rvi/common_kfuncs.c:12:32: warning: no previous prototype for function 'bpf_mem_cgroup_from_task' [-Wmissing-prototypes] 12 | __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) | ^ kernel/bpf-rvi/common_kfuncs.c:12:13: note: declare 'static' if the function is not intended to be used outside of this translation unit 12 | __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) | ^ | static 1 warning generated.
vim +/bpf_mem_cgroup_from_task +12 kernel/bpf-rvi/common_kfuncs.c 7 8 /* 9 * Common support kfuncs 10 */ 11
12 __bpf_kfunc struct mem_cgroup *bpf_mem_cgroup_from_task(struct task_struct *p) 13 { 14 return mem_cgroup_from_task(p); 15 } 16
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