[openeuler:OLK-5.10 29931/30000] kernel/sched/topology.c:1749:2: error: implicit declaration of function 'register_sysctl_init'

[kernel test robot <lkp@intel.com>]

tree:   https://gitee.com/openeuler/kernel.git OLK-5.10
head:   260c7a5874066269671cc826d6c9ccd70dd001e5
commit: f4128ae8e6ff03b4c805707fe75d0345797f7f53 [29931/30000] sched: Add cluster scheduler level for x86
config: x86_64-buildonly-randconfig-006-20240131 (https://download.01.org/0day-ci/archive/20240201/202402010822.4gexaFuQ-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240201/202402010822.4gexaFuQ-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402010822.4gexaFuQ-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from kernel/sched/topology.c:5:
   kernel/sched/sched.h:1838:15: warning: cast from 'void (*)(struct rq *)' to 'void (*)(struct callback_head *)' converts to incompatible function type [-Wcast-function-type-strict]
    1838 |         head->func = (void (*)(struct callback_head *))func;
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   kernel/sched/topology.c:718:6: warning: variable 'numa_distance' set but not used [-Wunused-but-set-variable]
     718 |         int numa_distance = 0;
         |             ^
>> kernel/sched/topology.c:1749:2: error: implicit declaration of function 'register_sysctl_init' [-Werror,-Wimplicit-function-declaration]
    1749 |         register_sysctl_init("kernel", sched_cluster_sysctls);
         |         ^
   2 warnings and 1 error generated.


vim +/register_sysctl_init +1749 kernel/sched/topology.c

8ce3e706b31409 Tim Chen 2021-12-03  1746  
8ce3e706b31409 Tim Chen 2021-12-03  1747  static int __init sched_cluster_sysctl_init(void)
8ce3e706b31409 Tim Chen 2021-12-03  1748  {
8ce3e706b31409 Tim Chen 2021-12-03 @1749  	register_sysctl_init("kernel", sched_cluster_sysctls);
8ce3e706b31409 Tim Chen 2021-12-03  1750  	return 0;
8ce3e706b31409 Tim Chen 2021-12-03  1751  }
8ce3e706b31409 Tim Chen 2021-12-03  1752  late_initcall(sched_cluster_sysctl_init);
9e68cc2bf535a2 Tim Chen 2021-12-03  1753  

:::::: The code at line 1749 was first introduced by commit
:::::: 8ce3e706b31409147f035c037055caa68e450ce5 scheduler: Add runtime knob sysctl_sched_cluster

:::::: TO: Tim Chen <tim.c.chen@linux.intel.com>
:::::: CC: Jie Liu <liujie375@h-partners.com>

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