On 9 Mar 2025, at 13:20, Zi Yan wrote: > On 8 Mar 2025, at 23:12, Andrew Morton wrote: > >> On Sat, 08 Mar 2025 23:00:31 -0500 Zi Yan <ziy@xxxxxxxxxx> wrote: >> >>> 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/ >> >> This series took a lot of damage as "Buddy allocator like (or >> non-uniform) folio split" was added, dropped, added, dropped... >> >> I have just dropped the series "Minimize xa_node allocation during >> xarry split". Please leave it a few days then resend against >> mm-unstable. > > Sure. No problem. Hi Andrew, It seems that you only dropped the second patch of "Minimize xa_node allocation during xarry split" and the offending "mm/filemap: use xas_try_split() in __filemap_add_folio()", the first patch, is still in mm-everything-2025-03-09-05-51. -- Best Regards, Yan, Zi