Hi Nhat, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [cannot apply to shuah-kselftest/next shuah-kselftest/fixes linus/master tip/x86/asm v6.3-rc7 next-20230421] [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/Nhat-Pham/workingset-refactor-LRU-refault-to-expose-refault-recency-check/20230422-071625 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230421231421.2401346-3-nphamcs%40gmail.com patch subject: [PATCH v12 2/3] cachestat: implement cachestat syscall config: x86_64-randconfig-a016 (https://download.01.org/0day-ci/archive/20230422/202304221702.Ye705xoC-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/intel-lab-lkp/linux/commit/9691e4430fbb59890619289b45ee0ce9ec3e97ee git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Nhat-Pham/workingset-refactor-LRU-refault-to-expose-refault-recency-check/20230422-071625 git checkout 9691e4430fbb59890619289b45ee0ce9ec3e97ee # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304221702.Ye705xoC-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> mm/filemap.c:4293:35: error: expected identifier COMPAT_SYSCALL_DEFINE6(cachestat, unsigned int, fd, size_t, len, ^ >> mm/filemap.c:4293:1: error: type specifier missing, defaults to 'int' [-Werror,-Wimplicit-int] COMPAT_SYSCALL_DEFINE6(cachestat, unsigned int, fd, size_t, len, ^ >> mm/filemap.c:4297:33: error: implicit declaration of function 'compat_arg_u64_glue' is invalid in C99 [-Werror,-Wimplicit-function-declaration] return ksys_cachestat(fd, len, compat_arg_u64_glue(off), cstat, flags); ^ >> mm/filemap.c:4297:24: error: use of undeclared identifier 'fd' return ksys_cachestat(fd, len, compat_arg_u64_glue(off), cstat, flags); ^ >> mm/filemap.c:4297:28: error: use of undeclared identifier 'len' return ksys_cachestat(fd, len, compat_arg_u64_glue(off), cstat, flags); ^ >> mm/filemap.c:4297:53: error: use of undeclared identifier 'off' return ksys_cachestat(fd, len, compat_arg_u64_glue(off), cstat, flags); ^ >> mm/filemap.c:4297:59: error: use of undeclared identifier 'cstat' return ksys_cachestat(fd, len, compat_arg_u64_glue(off), cstat, flags); ^ >> mm/filemap.c:4297:66: error: use of undeclared identifier 'flags' return ksys_cachestat(fd, len, compat_arg_u64_glue(off), cstat, flags); ^ >> mm/filemap.c:4293:1: warning: no previous prototype for function 'COMPAT_SYSCALL_DEFINE6' [-Wmissing-prototypes] COMPAT_SYSCALL_DEFINE6(cachestat, unsigned int, fd, size_t, len, ^ mm/filemap.c:4293:23: note: declare 'static' if the function is not intended to be used outside of this translation unit COMPAT_SYSCALL_DEFINE6(cachestat, unsigned int, fd, size_t, len, ^ static >> mm/filemap.c:4293:23: error: this old-style function definition is not preceded by a prototype [-Werror,-Wstrict-prototypes] COMPAT_SYSCALL_DEFINE6(cachestat, unsigned int, fd, size_t, len, ^ 1 warning and 9 errors generated. vim +4293 mm/filemap.c 4291 4292 #ifdef CONFIG_COMPAT > 4293 COMPAT_SYSCALL_DEFINE6(cachestat, unsigned int, fd, size_t, len, 4294 compat_arg_u64_dual(off), struct cachestat __user *, cstat, 4295 unsigned int, flags) 4296 { > 4297 return ksys_cachestat(fd, len, compat_arg_u64_glue(off), cstat, flags); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
