Hi Joanne, kernel test robot noticed the following build warnings: [auto build test WARNING on mszeredi-fuse/for-next] [also build test WARNING on linus/master v6.11-rc6 next-20240906] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Joanne-Koong/fuse-Enable-dynamic-configuration-of-fuse-max-pages-limit-FUSE_MAX_MAX_PAGES/20240906-014722 base: https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git for-next patch link: https://lore.kernel.org/r/20240905174541.392785-1-joannelkoong%40gmail.com patch subject: [PATCH v2 RESEND] fuse: Enable dynamic configuration of fuse max pages limit (FUSE_MAX_MAX_PAGES) config: arm-randconfig-003-20240907 (https://download.01.org/0day-ci/archive/20240907/202409070207.bAwolF9v-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240907/202409070207.bAwolF9v-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202409070207.bAwolF9v-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): fs/fuse/sysctl.c:28:30: error: macro "fuse_sysctl_register" passed 1 arguments, but takes just 0 28 | int fuse_sysctl_register(void) | ^ In file included from fs/fuse/sysctl.c:9: fs/fuse/fuse_i.h:1473:9: note: macro "fuse_sysctl_register" defined here 1473 | #define fuse_sysctl_register() (0) | ^~~~~~~~~~~~~~~~~~~~ fs/fuse/sysctl.c:29:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 29 | { | ^ fs/fuse/sysctl.c:36:33: error: macro "fuse_sysctl_unregister" passed 1 arguments, but takes just 0 36 | void fuse_sysctl_unregister(void) | ^ fs/fuse/fuse_i.h:1474:9: note: macro "fuse_sysctl_unregister" defined here 1474 | #define fuse_sysctl_unregister() do { } while (0) | ^~~~~~~~~~~~~~~~~~~~~~ fs/fuse/sysctl.c:37:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 37 | { | ^ >> fs/fuse/sysctl.c:16:25: warning: 'fuse_sysctl_table' defined but not used [-Wunused-variable] 16 | static struct ctl_table fuse_sysctl_table[] = { | ^~~~~~~~~~~~~~~~~ >> fs/fuse/sysctl.c:11:33: warning: 'fuse_table_header' defined but not used [-Wunused-variable] 11 | static struct ctl_table_header *fuse_table_header; | ^~~~~~~~~~~~~~~~~ vim +/fuse_sysctl_table +16 fs/fuse/sysctl.c 10 > 11 static struct ctl_table_header *fuse_table_header; 12 13 /* Bound by fuse_init_out max_pages, which is a u16 */ 14 static unsigned int sysctl_fuse_max_pages_limit = 65535; 15 > 16 static struct ctl_table fuse_sysctl_table[] = { 17 { 18 .procname = "max_pages_limit", 19 .data = &fuse_max_pages_limit, 20 .maxlen = sizeof(fuse_max_pages_limit), 21 .mode = 0644, 22 .proc_handler = proc_douintvec_minmax, 23 .extra1 = SYSCTL_ONE, 24 .extra2 = &sysctl_fuse_max_pages_limit, 25 }, 26 }; 27 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki