Re: [akpm-mm:mm-nonmm-unstable 171/173] kernel/kthread.c:913: warning: expecting prototype for kthread_create_worker_on_node(). Prototype was for kthread_create_worker() instead

[Randy Dunlap <rdunlap@infradead.org>]

Hi ktr, Andrew,

On 1/12/25 6:37 AM, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
> head:   dfbe2aeb5ed491cb9f0a2de5a7ad9a9d4d477a8f
> commit: 1bc3c5db9becd0171108c2dcfaf7ef5ef10c1e03 [171/173] kthread: modify kernel-doc function name to match code
> config: i386-buildonly-randconfig-001-20250112 (https://download.01.org/0day-ci/archive/20250112/202501122249.upmy4970-lkp@intel.com/config)
> compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250112/202501122249.upmy4970-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/202501122249.upmy4970-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
>>> kernel/kthread.c:913: warning: expecting prototype for kthread_create_worker_on_node(). Prototype was for kthread_create_worker() instead
> 
> 
> vim +913 kernel/kthread.c
> 
> fbae2d44aa1df7 Petr Mladek  2016-10-11  901  
> fbae2d44aa1df7 Petr Mladek  2016-10-11  902  /**
> 1bc3c5db9becd0 Randy Dunlap 2025-01-10  903   * kthread_create_worker_on_node - create a kthread worker
> dbf52682cb0286 Petr Mladek  2016-10-11  904   * @flags: flags modifying the default behavior of the worker
> fbae2d44aa1df7 Petr Mladek  2016-10-11  905   * @namefmt: printf-style name for the kthread worker (task).
> fbae2d44aa1df7 Petr Mladek  2016-10-11  906   *
> fbae2d44aa1df7 Petr Mladek  2016-10-11  907   * Returns a pointer to the allocated worker on success, ERR_PTR(-ENOMEM)
> fbae2d44aa1df7 Petr Mladek  2016-10-11  908   * when the needed structures could not get allocated, and ERR_PTR(-EINTR)
> d25c83c6606ffc Petr Mladek  2022-03-15  909   * when the caller was killed by a fatal signal.
> fbae2d44aa1df7 Petr Mladek  2016-10-11  910   */
> fbae2d44aa1df7 Petr Mladek  2016-10-11  911  struct kthread_worker *
> dbf52682cb0286 Petr Mladek  2016-10-11  912  kthread_create_worker(unsigned int flags, const char namefmt[], ...)
> fbae2d44aa1df7 Petr Mladek  2016-10-11 @913  {

@Andrew: I don't know how to handle this. My patch applies correctly to linux-next
where this function name has been changed. It looks like 0day is applying it
to mainline linux + your tree(s?) for testing.

-- 
~Randy