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charset=us-ascii Content-Disposition: inline Hi Arnd, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1973160c90d7886c523e52e1f56164e6a74f0474 commit: ef104443bffa004f631729dfc924f0b84abbd602 procfs: consolidate arch_report_meminfo declaration date: 1 year, 10 months ago config: parisc-randconfig-r016-20230411 (https://download.01.org/0day-ci/archive/20250303/202503030123.GrzZ1SpJ-lkp@intel.com/config) compiler: hppa-linux-gcc (GCC) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250303/202503030123.GrzZ1SpJ-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202503030123.GrzZ1SpJ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/parisc/kernel/pdt.c:65:6: warning: no previous prototype for 'arch_report_meminfo' [-Wmissing-prototypes] 65 | void arch_report_meminfo(struct seq_file *m) | ^~~~~~~~~~~~~~~~~~~ vim +/arch_report_meminfo +65 arch/parisc/kernel/pdt.c c9c2877d08d9aa Helge Deller 2017-05-11 63 c9c2877d08d9aa Helge Deller 2017-05-11 64 /* report PDT entries via /proc/meminfo */ c9c2877d08d9aa Helge Deller 2017-05-11 @65 void arch_report_meminfo(struct seq_file *m) c9c2877d08d9aa Helge Deller 2017-05-11 66 { c9c2877d08d9aa Helge Deller 2017-05-11 67 if (pdt_type == PDT_NONE) c9c2877d08d9aa Helge Deller 2017-05-11 68 return; c9c2877d08d9aa Helge Deller 2017-05-11 69 c9c2877d08d9aa Helge Deller 2017-05-11 70 seq_printf(m, "PDT_max_entries: %7lu\n", c9c2877d08d9aa Helge Deller 2017-05-11 71 pdt_status.pdt_size); c9c2877d08d9aa Helge Deller 2017-05-11 72 seq_printf(m, "PDT_cur_entries: %7lu\n", c9c2877d08d9aa Helge Deller 2017-05-11 73 pdt_status.pdt_entries); c9c2877d08d9aa Helge Deller 2017-05-11 74 } c9c2877d08d9aa Helge Deller 2017-05-11 75 :::::: The code at line 65 was first introduced by commit :::::: c9c2877d08d9aa0ca0a5c227ac795fbb76269300 parisc: Add Page Deallocation Table (PDT) support :::::: TO: Helge Deller :::::: CC: Helge Deller -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki