tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 1c34981993da96711f8c7037e0391df7daa33df9 commit: f5180e2e08ede6f4901788fa6335295acd0a0112 [6841/7780] mm, oom: return error on access to memory.oom_group if groupoom is disabled config: x86_64-randconfig-ne0-07171435 (attached as .config) compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026 reproduce: git checkout f5180e2e08ede6f4901788fa6335295acd0a0112 # save the attached .config to linux build tree make ARCH=x86_64 Note: the linux-next/master HEAD 1c34981993da96711f8c7037e0391df7daa33df9 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): mm/memcontrol.c: In function 'memory_oom_group_show': >> mm/memcontrol.c:5682:30: error: 'CGRP_GROUP_OOM' undeclared (first use in this function) if (!(cgrp_dfl_root.flags & CGRP_GROUP_OOM)) ^~~~~~~~~~~~~~ mm/memcontrol.c:5682:30: note: each undeclared identifier is reported only once for each function it appears in mm/memcontrol.c: In function 'memory_oom_group_write': mm/memcontrol.c:5698:30: error: 'CGRP_GROUP_OOM' undeclared (first use in this function) if (!(cgrp_dfl_root.flags & CGRP_GROUP_OOM)) ^~~~~~~~~~~~~~ vim +/CGRP_GROUP_OOM +5682 mm/memcontrol.c 5676 5677 static int memory_oom_group_show(struct seq_file *m, void *v) 5678 { 5679 struct mem_cgroup *memcg = mem_cgroup_from_css(seq_css(m)); 5680 bool oom_group = memcg->oom_group; 5681 > 5682 if (!(cgrp_dfl_root.flags & CGRP_GROUP_OOM)) 5683 return -ENOTSUPP; 5684 5685 seq_printf(m, "%d\n", oom_group); 5686 5687 return 0; 5688 } 5689 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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