:::::: :::::: Manual check reason: "low confidence static check warning: mm/slub.c:1656:42: sparse: sparse: no identifier for function argument" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-mm@kvack.org TO: Vlastimil Babka tree: https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git slub-tiny-v1r1 head: efe34cfc09185a1fe864b1fac237b7689ec7a980 commit: cb64c543de6e006f6c75f00f725f5d765c9f5ace [5/8] mm, slub: remove percpu slabs with CONFIG_SLUB_TINY :::::: branch date: 4 days ago :::::: commit date: 4 days ago config: sparc-randconfig-s052-20221120 compiler: sparc-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git/commit/?id=cb64c543de6e006f6c75f00f725f5d765c9f5ace git remote add vbabka https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git git fetch --no-tags vbabka slub-tiny-v1r1 git checkout cb64c543de6e006f6c75f00f725f5d765c9f5ace # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> mm/slub.c:1656:42: sparse: sparse: no identifier for function argument mm/slub.c:1656:63: sparse: sparse: no identifier for function argument mm/slub.c:1657:9: sparse: sparse: no identifier for function argument mm/slub.c:1657:17: sparse: sparse: no identifier for function argument mm/slub.c:1657:25: sparse: sparse: no identifier for function argument mm/slub.c:1657:32: sparse: sparse: no identifier for function argument mm/slub.c:1657:47: sparse: sparse: no identifier for function argument vim +1656 mm/slub.c 41ecc55b8a8ca6 Christoph Lameter 2007-05-09 1652 3ec0974210fe1b Christoph Lameter 2007-05-16 1653 static inline int alloc_debug_processing(struct kmem_cache *s, cb64c543de6e00 Vlastimil Babka 2022-11-15 1654 struct slab *slab, void *object, int orig_size) { return 1; } 41ecc55b8a8ca6 Christoph Lameter 2007-05-09 1655 cb64c543de6e00 Vlastimil Babka 2022-11-15 @1656 static inline bool free_debug_processing(struct kmem_cache *, struct slab *, cb64c543de6e00 Vlastimil Babka 2022-11-15 1657 void *, void *, int *, unsigned long, depot_stack_handle_t) { return 1; } 41ecc55b8a8ca6 Christoph Lameter 2007-05-09 1658 -- 0-DAY CI Kernel Test Service https://01.org/lkp