Hi Kirill, [auto build test ERROR on linus/master] [also build test ERROR on v4.11-rc8 next-20170428] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Kirill-Tkhai/pid_ns-Introduce-ioctl-to-set-vector-of-ns_last_pid-s-on-ns-hierarhy/20170429-155011 config: i386-defconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): kernel/pid_namespace.c: In function 'pidns_set_last_pid_vec': >> kernel/pid_namespace.c:450:38: error: 'pid_max' undeclared (first use in this function) if (!top || pid[i] < 0 || pid[i] > pid_max) ^~~~~~~ kernel/pid_namespace.c:450:38: note: each undeclared identifier is reported only once for each function it appears in vim +/pid_max +450 kernel/pid_namespace.c 444 if (copy_from_user(pid, &vec->pid[0], nr * sizeof(pid_t)) != 0) 445 return -EFAULT; 446 447 top = pid_ns; 448 for (i = 0; i < nr-1; i++) { 449 top = top->parent; > 450 if (!top || pid[i] < 0 || pid[i] > pid_max) 451 return -EINVAL; 452 } 453 if (!ns_capable(top->user_ns, CAP_SYS_ADMIN)) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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