linux-kernel - Re: [PATCH] delayacct: optimize delayacct init

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Date:   Wed, 15 Sep 2021 11:41:39 +0800
From:   kernel test robot <lkp@...el.com>
To:     cgel.zte@...il.com, bsingharora@...il.com
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Yang Yang <yang.yang29@....com.cn>
Subject: Re: [PATCH] delayacct: optimize delayacct init

Hi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.15-rc1 next-20210914]
[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/cgel-zte-gmail-com/delayacct-optimize-delayacct-init/20210911-154431
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 926de8c4326c14fcf35f1de142019043597a4fac
config: i386-buildonly-randconfig-r002-20210914 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 261cbe98c38f8c1ee1a482fe76511110e790f58a)
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/13937a322a0ed37df1fc1db042d5128ec677af02
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review cgel-zte-gmail-com/delayacct-optimize-delayacct-init/20210911-154431
        git checkout 13937a322a0ed37df1fc1db042d5128ec677af02
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 

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

All errors (new ones prefixed by >>):

>> kernel/delayacct.c:21:13: error: unused function 'set_delayacct' [-Werror,-Wunused-function]
   static void set_delayacct(bool enabled)
               ^
   1 error generated.


vim +/set_delayacct +21 kernel/delayacct.c

ca74e92b469827 Shailabh Nagar 2006-07-14  20  
0cd7c741f01de1 Peter Zijlstra 2021-05-10 @21  static void set_delayacct(bool enabled)
0cd7c741f01de1 Peter Zijlstra 2021-05-10  22  {
0cd7c741f01de1 Peter Zijlstra 2021-05-10  23  	if (enabled) {
0cd7c741f01de1 Peter Zijlstra 2021-05-10  24  		static_branch_enable(&delayacct_key);
0cd7c741f01de1 Peter Zijlstra 2021-05-10  25  		delayacct_on = 1;
0cd7c741f01de1 Peter Zijlstra 2021-05-10  26  	} else {
0cd7c741f01de1 Peter Zijlstra 2021-05-10  27  		delayacct_on = 0;
0cd7c741f01de1 Peter Zijlstra 2021-05-10  28  		static_branch_disable(&delayacct_key);
0cd7c741f01de1 Peter Zijlstra 2021-05-10  29  	}
0cd7c741f01de1 Peter Zijlstra 2021-05-10  30  }
0cd7c741f01de1 Peter Zijlstra 2021-05-10  31  

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

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