Hi Lorenzo, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on arnd-asm-generic/master soc/for-next linus/master v6.11 next-20240923] [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/Lorenzo-Stoakes/mm-madvise-introduce-PR_MADV_SELF-flag-to-process_madvise/20240924-000845 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/077be0d59cb1047870a84c87c62e7b027af1c75d.1727106751.git.lorenzo.stoakes%40oracle.com patch subject: [PATCH 1/2] mm/madvise: introduce PR_MADV_SELF flag to process_madvise() config: parisc-allnoconfig (https://download.01.org/0day-ci/archive/20240924/202409240556.LgM8vOIF-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240924/202409240556.LgM8vOIF-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/202409240556.LgM8vOIF-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): mm/madvise.c: In function '__do_sys_process_madvise': >> mm/madvise.c:1514:22: error: 'PR_MADV_SELF' undeclared (first use in this function) 1514 | if (flags & ~PR_MADV_SELF) { | ^~~~~~~~~~~~ mm/madvise.c:1514:22: note: each undeclared identifier is reported only once for each function it appears in vim +/PR_MADV_SELF +1514 mm/madvise.c 1502 1503 SYSCALL_DEFINE5(process_madvise, int, pidfd, const struct iovec __user *, vec, 1504 size_t, vlen, int, behavior, unsigned int, flags) 1505 { 1506 ssize_t ret; 1507 struct iovec iovstack[UIO_FASTIOV]; 1508 struct iovec *iov = iovstack; 1509 struct iov_iter iter; 1510 struct task_struct *task; 1511 struct mm_struct *mm; 1512 unsigned int f_flags; 1513 > 1514 if (flags & ~PR_MADV_SELF) { -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
