linux-kernel - [peterz-queue:sched/core 29/30] kernel/sched/fair.c:230:2: error: implicit declaration of function 'sched_cfs_bandwidth_sysctl

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Date:   Thu, 10 Feb 2022 13:25:49 +0800
From:   kernel test robot <lkp@...el.com>
To:     Zhen Ni <nizhen@...ontech.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>
Subject: [peterz-queue:sched/core 29/30] kernel/sched/fair.c:230:2: error:
 implicit declaration of function 'sched_cfs_bandwidth_sysctl_init'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/core
head:   d95db7fbf521ca4274fd7b7bc4e7d8e2d78b35e6
commit: 17880af2ea65d254c1c225e6a25caa5352c3dbee [29/30] sched: Move cfs_bandwidth_slice sysctls to fair.c
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20220210/202202101353.zojAXcpm-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=17880af2ea65d254c1c225e6a25caa5352c3dbee
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue sched/core
        git checkout 17880af2ea65d254c1c225e6a25caa5352c3dbee
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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/sched/fair.c: In function 'sched_init_granularity':
>> kernel/sched/fair.c:230:2: error: implicit declaration of function 'sched_cfs_bandwidth_sysctl_init' [-Werror=implicit-function-declaration]
     230 |  sched_cfs_bandwidth_sysctl_init();
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/sched_cfs_bandwidth_sysctl_init +230 kernel/sched/fair.c

   226	
   227	void __init sched_init_granularity(void)
   228	{
   229		update_sysctl();
 > 230		sched_cfs_bandwidth_sysctl_init();
   231	}
   232	

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