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charset=us-ascii Content-Disposition: inline In-Reply-To: <20250123-slub-tiny-kfree_rcu-v1-4-0e386ef1541a@suse.cz> Hi Vlastimil, [This is a private test report for your RFC patch.] kernel test robot noticed the following build errors: [auto build test ERROR on e492fac3657b60b8dd78a6e8ca26d1d14706c7b3] url: https://github.com/intel-lab-lkp/linux/commits/Vlastimil-Babka/slab-rcu-move-TINY_RCU-variant-of-kvfree_rcu-to-SLAB/20250123-183930 base: e492fac3657b60b8dd78a6e8ca26d1d14706c7b3 patch link: https://lore.kernel.org/r/20250123-slub-tiny-kfree_rcu-v1-4-0e386ef1541a%40suse.cz patch subject: [PATCH RFC 4/4] slab: don't batch kvfree_rcu() with SLUB_TINY config: arc-randconfig-002-20250124 (https://download.01.org/0day-ci/archive/20250124/202501241007.NYO5XTeM-lkp@intel.com/config) compiler: arc-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250124/202501241007.NYO5XTeM-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202501241007.NYO5XTeM-lkp@intel.com/ All errors (new ones prefixed by >>, old ones prefixed by <<): WARNING: modpost: missing MODULE_DESCRIPTION() in lib/zlib_inflate/zlib_inflate.o ERROR: modpost: "kvfree_call_rcu" [fs/ext4/ext4.ko] undefined! >> ERROR: modpost: "kvfree_call_rcu" [fs/ext2/ext2.ko] undefined! ERROR: modpost: "kvfree_call_rcu" [fs/fuse/fuse.ko] undefined! ERROR: modpost: "kvfree_call_rcu" [fs/overlayfs/overlay.ko] undefined! ERROR: modpost: "kvfree_call_rcu" [fs/btrfs/btrfs.ko] undefined! >> ERROR: modpost: "kvfree_call_rcu" [lib/dim/dimlib.ko] undefined! ERROR: modpost: "kvfree_call_rcu" [drivers/gpu/drm/etnaviv/etnaviv.ko] undefined! ERROR: modpost: "kvfree_call_rcu" [drivers/infiniband/core/ib_core.ko] undefined! ERROR: modpost: "kvfree_call_rcu" [drivers/infiniband/core/ib_cm.ko] undefined! ERROR: modpost: "kvfree_call_rcu" [drivers/infiniband/core/ib_uverbs.ko] undefined! WARNING: modpost: suppressed 9 unresolved symbol warnings because there were too many) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki