[peterz-queue:sched/eevdf 7/23] kernel/sched/core.c:1992:13: error: conflicting types for 'dequeue_task'

[peterz-queue:sched/eevdf 7/23] kernel/sched/core.c:1992:13: error: conflicting types for 'dequeue_task'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/eevdf
head:   642ed673fcd170ce20c64fb0e1970259fbb05cba
commit: e62a29c0e8a181ae8f53b5c637e28ec3f5e3703d [7/23] sched: Allow sched_class::dequeue_task() to fail
config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20240604/202406041901.CkjG6mzD-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240604/202406041901.CkjG6mzD-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/202406041901.CkjG6mzD-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from kernel/sched/core.c:10:
   In file included from include/linux/highmem.h:8:
   In file included from include/linux/cacheflush.h:5:
   In file included from arch/arm/include/asm/cacheflush.h:10:
   In file included from include/linux/mm.h:2253:
   include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     514 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
>> kernel/sched/core.c:1992:13: error: conflicting types for 'dequeue_task'
    1992 | inline bool dequeue_task(struct rq *rq, struct task_struct *p, int flags)
         |             ^
   kernel/sched/sched.h:3561:13: note: previous declaration is here
    3561 | extern void dequeue_task(struct rq *rq, struct task_struct *p, int flags);
         |             ^
   1 warning and 1 error generated.


vim +/dequeue_task +1992 kernel/sched/core.c

  1988	
  1989	/*
  1990	 * Must only return false when DEQUEUE_SLEEP.
  1991	 */
> 1992	inline bool dequeue_task(struct rq *rq, struct task_struct *p, int flags)
  1993	{
  1994		if (sched_core_enabled(rq))
  1995			sched_core_dequeue(rq, p, flags);
  1996	
  1997		if (!(flags & DEQUEUE_NOCLOCK))
  1998			update_rq_clock(rq);
  1999	
  2000		if (!(flags & DEQUEUE_SAVE)) {
  2001			sched_info_dequeue(rq, p);
  2002			psi_dequeue(p, flags & DEQUEUE_SLEEP);
  2003		}
  2004	
  2005		uclamp_rq_dec(rq, p);
  2006		return p->sched_class->dequeue_task(rq, p, flags);
  2007	}
  2008	

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