tree: https://github.com/alibaba/cloud-kernel.git linux-next head: e07b931e8ed58352ad4839243454571b6ce59222 commit: e4deb33ed61f3ac017dd0b4c63545698eebfc525 [618/644] alinux: mm, memcg: record latency of memcg wmark reclaim config: i386-randconfig-a003-20200317 (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: git checkout e4deb33ed61f3ac017dd0b4c63545698eebfc525 # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): ld: mm/memcontrol.o: in function `memcg_exstat_show': vim +4204 mm/memcontrol.c 4197 4198 static int memcg_exstat_show(struct seq_file *m, void *v) 4199 { 4200 struct mem_cgroup *memcg = mem_cgroup_from_css(seq_css(m)); 4201 4202 seq_printf(m, "wmark_min_throttled_ms %llu\n", 4203 memcg_exstat_gather(memcg, MEMCG_WMARK_MIN)); 4205 memcg_exstat_gather(memcg, MEMCG_WMARK_RECLAIM) / 1000000); 4206 4207 return 0; 4208 } 4209 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org