Hi Hoeun, [auto build test ERROR on next-20170203] [also build test ERROR on v4.10-rc6] [cannot apply to linus/master linux/master v4.9-rc8 v4.9-rc7 v4.9-rc6] [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/Hoeun-Ryu/fork-dynamically-allocate-cache-array-for-vmapped-stacks-using-cpuhp/20170203-234431 config: i386-randconfig-x004-201705 (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/fork.c: In function 'fork_init': >> kernel/fork.c:505:6: error: 'alloc_vm_stack_cache' undeclared (first use in >> this function) alloc_vm_stack_cache, free_vm_stack_cache); ^~~~~~~~~~~~~~~~~~~~ kernel/fork.c:505:6: note: each undeclared identifier is reported only once for each function it appears in >> kernel/fork.c:505:28: error: 'free_vm_stack_cache' undeclared (first use in >> this function) alloc_vm_stack_cache, free_vm_stack_cache); ^~~~~~~~~~~~~~~~~~~ vim +/alloc_vm_stack_cache +505 kernel/fork.c 499 500 for (i = 0; i < UCOUNT_COUNTS; i++) { 501 init_user_ns.ucount_max[i] = max_threads/2; 502 } 503 504 cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "vm_stack_cache", > 505 alloc_vm_stack_cache, free_vm_stack_cache); 506 } 507 508 int __weak arch_dup_task_struct(struct task_struct *dst, --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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