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Message-ID: <201702040007.vDgc4VnF%fengguang.wu@intel.com>
Date: Sat, 4 Feb 2017 00:04:10 +0800
From: kbuild test robot <lkp@...el.com>
To: Hoeun Ryu <hoeun.ryu@...il.com>
Cc: kbuild-all@...org, Andrew Morton <akpm@...ux-foundation.org>,
Michal Hocko <mhocko@...e.com>, Ingo Molnar <mingo@...nel.org>,
Andy Lutomirski <luto@...nel.org>,
Kees Cook <keescook@...omium.org>,
"Eric W. Biederman" <ebiederm@...ssion.com>,
Mateusz Guzik <mguzik@...hat.com>, linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com,
Hoeun Ryu <hoeun.ryu@...il.com>
Subject: Re: [PATCH 1/3] fork: dynamically allocate cache array for vmapped
stacks using cpuhp
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
Download attachment ".config.gz" of type "application/gzip" (31240 bytes)
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