Re: [ammarfaizi2-block:testing/af/home 3/8] kernel/workqueue.c:4421:5: warning: no previous prototype for 'set_workqueue_cpumask'

[Ammar Faizi <ammarfaizi2@gnuweeb.org>]

On Wed, May 31, 2023 at 09:24:17AM +0800, kernel test robot wrote:
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202305310934.bM5gW0SL-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
> >> kernel/workqueue.c:4421:5: warning: no previous prototype for 'set_workqueue_cpumask' [-Wmissing-prototypes]
>     4421 | int set_workqueue_cpumask(struct workqueue_struct *wq, const cpumask_var_t mask)
>          |     ^~~~~~~~~~~~~~~~~~~~~

I forgot to add the declaration in the header. The fix below:

diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index ac551b8ee7d9f2f4..e3bd6f47e74ecd66 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -710,6 +710,9 @@ int workqueue_online_cpu(unsigned int cpu);
 int workqueue_offline_cpu(unsigned int cpu);
 #endif
 
+int set_workqueue_cpumask(struct workqueue_struct *wq,
+			  const cpumask_var_t mask);
+
 void __init workqueue_init_early(void);
 void __init workqueue_init(void);
 

-- 
Ammar Faizi