Hi Stefan,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on zohar-integrity/next-integrity]
[also build test WARNING on pcmoore-selinux/next linus/master v5.16-rc3 next-20211130]
[cannot apply to jmorris-security/next-testing]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Stefan-Berger/ima-Namespace-IMA-with-audit-support-in-IMA-ns/20211201-001242
base:   https://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity.git next-integrity
config: x86_64-randconfig-s021-20211128 (https://download.01.org/0day-ci/archive/20211201/202112010659.usmPjYyt-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/0day-ci/linux/commit/38ca49ebd9eb92c7975ca8d04ed1a4aa4959e96a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Stefan-Berger/ima-Namespace-IMA-with-audit-support-in-IMA-ns/20211201-001242
        git checkout 38ca49ebd9eb92c7975ca8d04ed1a4aa4959e96a
        # save the config file to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash security/integrity/ima/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> security/integrity/ima/ima_ns.c:77:12: sparse: sparse: symbol 'imans_cache_init' was not declared. Should it be static?

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org