[tip:sched/core 93/94] kernel/sched/fair.c:2656:44: warning: 'struct sched_domain' declared inside parameter list will not be visible outside of this definition or declaration

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core
head:   815abf5af45f04f759f12f3172afd15226fd7f71
commit: 3fed382b46baac83703130fe4cd3d9147f427fb9 [93/94] sched/numa: Implement 
NUMA node level wake_affine()
config: i386-tinyconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout 3fed382b46baac83703130fe4cd3d9147f427fb9
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

>> kernel/sched/fair.c:2656:44: warning: 'struct sched_domain' declared inside 
>> parameter list will not be visible outside of this definition or declaration
    static inline bool numa_wake_affine(struct sched_domain *sd,
                                               ^~~~~~~~~~~~

vim +2656 kernel/sched/fair.c

  2640  
  2641          return true;
  2642  }
  2643  #else
  2644  static void task_tick_numa(struct rq *rq, struct task_struct *curr)
  2645  {
  2646  }
  2647  
  2648  static inline void account_numa_enqueue(struct rq *rq, struct 
task_struct *p)
  2649  {
  2650  }
  2651  
  2652  static inline void account_numa_dequeue(struct rq *rq, struct 
task_struct *p)
  2653  {
  2654  }
  2655  
> 2656  static inline bool numa_wake_affine(struct sched_domain *sd,
  2657                                      struct task_struct *p, int this_cpu,
  2658                                      int prev_cpu, int sync)
  2659  {
  2660          return true;
  2661  }
  2662  #endif /* CONFIG_NUMA_BALANCING */
  2663  
  2664  static void

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