Hi Matthew, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.13-rc2 next-20241211] [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/Matthew-Wilcox-Oracle/vmalloc-Move-memcg-logic-into-memcg-code/20241211-033214 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20241210193035.2667005-1-willy%40infradead.org patch subject: [PATCH] vmalloc: Move memcg logic into memcg code config: alpha-randconfig-r063-20241211 (https://download.01.org/0day-ci/archive/20241212/202412120752.71x951px-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241212/202412120752.71x951px-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/202412120752.71x951px-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): alpha-linux-ld: mm/vmalloc.o: in function `vfree': >> (.text+0x66b0): undefined reference to `obj_cgroup_uncharge_vmalloc' >> alpha-linux-ld: (.text+0x66b4): undefined reference to `obj_cgroup_uncharge_vmalloc' alpha-linux-ld: mm/vmalloc.o: in function `__vmalloc_area_node.constprop.0': >> (.text+0x6fa0): undefined reference to `obj_cgroup_charge_vmalloc' >> alpha-linux-ld: (.text+0x6fac): undefined reference to `obj_cgroup_charge_vmalloc' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
