[anolis-intel-cloud:devel-6.6 1019/1019] mm/memcontrol.c:8390:9: error: implicit declaration of function 'unevict_task_fork'; did you mean 'exit_task_work'?

[anolis-intel-cloud:devel-6.6 1019/1019] mm/memcontrol.c:8390:9: error: implicit declaration of function 'unevict_task_fork'; did you mean 'exit_task_work'?

[kernel test robot]

tree:   https://gitee.com/anolis/intel-cloud-kernel.git devel-6.6
head:   b4ec01ca5aac08347802786e2513d22bcc37d843
commit: d30f7906f08ec3a4b9d04521557c5cf4dcea6d7a [1019/1019] anolis: mm/unevictable: arm forked children via memcg fork hook
config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260908/202609081337.J1ul7JmK-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260908/202609081337.J1ul7JmK-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/202609081337.J1ul7JmK-lkp@intel.com/

All errors (new ones prefixed by >>):

   mm/memcontrol.c: In function 'mem_cgroup_fork':
>> mm/memcontrol.c:8390:9: error: implicit declaration of function 'unevict_task_fork'; did you mean 'exit_task_work'? [-Wimplicit-function-declaration]
    8390 |         unevict_task_fork(task);
         |         ^~~~~~~~~~~~~~~~~
         |         exit_task_work


vim +8390 mm/memcontrol.c

  8387	
  8388	static void mem_cgroup_fork(struct task_struct *task)
  8389	{
> 8390		unevict_task_fork(task);
  8391	}
  8392	

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