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SubjectRe: [PATCH] completion: introduce complete_put() helper function
Hi Yajun,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on tip/sched/core]
[also build test WARNING on v5.16-rc4 next-20211203]
[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/Yajun-Deng/completion-introduce-complete_put-helper-function/20211206-120632
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 8c92606ab81086db00cbb73347d124b4eb169b7e
config: arm-randconfig-r033-20211206 (https://download.01.org/0day-ci/archive/20211206/202112061552.NaaSG9xz-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/6d181628873250fd66a8f2da19182fec95973b6e
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Yajun-Deng/completion-introduce-complete_put-helper-function/20211206-120632
git checkout 6d181628873250fd66a8f2da19182fec95973b6e
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash kernel/sched/

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

All warnings (new ones prefixed by >>):

>> kernel/sched/completion.c:41:6: warning: no previous prototype for 'complete_put' [-Wmissing-prototypes]
41 | void complete_put(refcount_t *r, struct completion *x)
| ^~~~~~~~~~~~


vim +/complete_put +41 kernel/sched/completion.c

40
> 41 void complete_put(refcount_t *r, struct completion *x)
42 {
43 if (refcount_dec_and_test(r))
44 complete(x);
45 }
46 EXPORT_SYMBOL(complete_put);
47

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

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