On Tue, Sep 24, 2024 at 11:15:17AM GMT, kernel test robot wrote: > Hi Lorenzo, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on akpm-mm/mm-everything] > [also build test ERROR on 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: mips-ip32_defconfig (https://download.01.org/0day-ci/archive/20240924/202409241034.6ilzMh4w-lkp@xxxxxxxxx/config) > compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240924/202409241034.6ilzMh4w-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/202409241034.6ilzMh4w-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>): > > In file included from mm/madvise.c:9: > In file included from include/linux/mman.h:5: > In file included from include/linux/mm.h:2198: > include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] > 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" > | ~~~~~~~~~~~ ^ ~~~ > In file included from mm/madvise.c:21: > include/linux/mm_inline.h:47:41: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] > 47 | __mod_lruvec_state(lruvec, NR_LRU_BASE + lru, nr_pages); > | ~~~~~~~~~~~ ^ ~~~ > include/linux/mm_inline.h:49:22: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] > 49 | NR_ZONE_LRU_BASE + lru, nr_pages); > | ~~~~~~~~~~~~~~~~ ^ ~~~ > >> mm/madvise.c:1514:15: error: use of undeclared identifier 'PR_MADV_SELF' > 1514 | if (flags & ~PR_MADV_SELF) { > | ^ > mm/madvise.c:1527:14: error: use of undeclared identifier 'PR_MADV_SELF' > 1527 | if (flags & PR_MADV_SELF) { > | ^ > 3 warnings and 2 errors generated. OK looks like mman-common.h is insufficient for some arches, will fix up and send out a v2. > > > 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
