Re: [RESEND PATCH 2/2] delayacct: Add a proc file to dump the delay info

[kernel test robot]

Hi brookxu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v5.12-rc7 next-20210412]
[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/brookxu/delayacct-refactor-the-code-to-simplify-the-implementation/20210413-093934
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 89698becf06d341a700913c3d89ce2a914af69a2
config: x86_64-randconfig-s021-20210413 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-280-g2cd6d34e-dirty
        # https://github.com/0day-ci/linux/commit/7023a409dec95195a0e3360a36e8cb66363a9457
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review brookxu/delayacct-refactor-the-code-to-simplify-the-implementation/20210413-093934
        git checkout 7023a409dec95195a0e3360a36e8cb66363a9457
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

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


sparse warnings: (new ones prefixed by >>)
>> kernel/delayacct.c:35:23: sparse: sparse: symbol 'delayacct_stats' was not declared. Should it be static?

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
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