On 8 Mar 2025, at 22:52, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable > head: 2f0c87542d97822659e81f55ae5e5cc1994f3339 > commit: 835714732ae42a4b4f590316b06d06826bff2483 [481/507] mm/filemap: use xas_try_split() in __filemap_add_folio() > config: i386-buildonly-randconfig-003-20250309 (https://download.01.org/0day-ci/archive/20250309/202503091121.RktXlKnp-lkp@xxxxxxxxx/config) > compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250309/202503091121.RktXlKnp-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/202503091121.RktXlKnp-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>): > >>> lib/xarray.c:1251:14: error: redefinition of 'xas_try_split_min_order' > 1251 | unsigned int xas_try_split_min_order(unsigned int order) > | ^~~~~~~~~~~~~~~~~~~~~~~ > In file included from lib/xarray.c:13: > include/linux/xarray.h:1587:28: note: previous definition of 'xas_try_split_min_order' with type 'unsigned int(unsigned int)' > 1587 | static inline unsigned int xas_try_split_min_order(unsigned int order) > | ^~~~~~~~~~~~~~~~~~~~~~~ > It seems that something went wrong when the patch is applied. xas_try_split_min_order() is not included in the CONFIG_XARRAY_MULTI guard, whereas the original patch does. Moving it back fixed the issue. See: https://lore.kernel.org/linux-mm/20250308213400.10220-1-sj@xxxxxxxxxx/ > > vim +/xas_try_split_min_order +1251 lib/xarray.c > > 1237 > 1238 /** > 1239 * xas_try_split_min_order() - Minimal split order xas_try_split() can accept > 1240 * @order: Current entry order. > 1241 * > 1242 * xas_try_split() can split a multi-index entry to smaller than @order - 1 if > 1243 * no new xa_node is needed. This function provides the minimal order > 1244 * xas_try_split() supports. > 1245 * > 1246 * Return: the minimal order xas_try_split() supports > 1247 * > 1248 * Context: Any context. > 1249 * > 1250 */ >> 1251 unsigned int xas_try_split_min_order(unsigned int order) > 1252 { > 1253 if (order % XA_CHUNK_SHIFT == 0) > 1254 return order == 0 ? 0 : order - 1; > 1255 > 1256 return order - (order % XA_CHUNK_SHIFT); > 1257 } > 1258 EXPORT_SYMBOL_GPL(xas_try_split_min_order); > 1259 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki -- Best Regards, Yan, Zi
