Re: [PATCH v1] mm, sysctl: Add sysctl for controlling VM_MAYEXEC taint

[kbuild test robot <lkp@intel.com>]

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Hi Will,

[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.8-rc3 next-20160825]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/robert-foss-collabora-com/mm-sysctl-Add-sysctl-for-controlling-VM_MAYEXEC-taint/20160827-003416
base:   git://git.cmpxchg.org/linux-mmotm.git master
config: sh-rsk7269_defconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=sh 

All errors (new ones prefixed by >>):

>> mm/util.c:433:46: error: 'CONFIG_MMAP_NOEXEC_TAINT' undeclared here (not in a function)
    int sysctl_mmap_noexec_taint __read_mostly = CONFIG_MMAP_NOEXEC_TAINT;
                                                 ^

vim +/CONFIG_MMAP_NOEXEC_TAINT +433 mm/util.c

   427	EXPORT_SYMBOL_GPL(__page_mapcount);
   428	
   429	int sysctl_overcommit_memory __read_mostly = OVERCOMMIT_GUESS;
   430	int sysctl_overcommit_ratio __read_mostly = 50;
   431	unsigned long sysctl_overcommit_kbytes __read_mostly;
   432	int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT;
 > 433	int sysctl_mmap_noexec_taint __read_mostly = CONFIG_MMAP_NOEXEC_TAINT;
   434	unsigned long sysctl_user_reserve_kbytes __read_mostly = 1UL << 17; /* 128MB */
   435	unsigned long sysctl_admin_reserve_kbytes __read_mostly = 1UL << 13; /* 8MB */
   436	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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