[android-common:android16-6.12 0/9] kernel/sched/deadline.c:2689:25: error: no member named 'pushable_dl_tasks' in 'struct task_struct'

[kernel test robot <lkp@intel.com>]

tree:   https://android.googlesource.com/kernel/common android16-6.12
head:   91e49117396d06326d151f97f382c6d93a267bea
commit: 02153dcaf1c62548c34d347291c37a9070f163aa [0/9] ANDROID: sched/deadline: Avoid double enqueue_pushable_dl_task() warning
config: x86_64-buildonly-randconfig-002-20260410 (https://download.01.org/0day-ci/archive/20260410/202604101944.7DfbTtk4-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260410/202604101944.7DfbTtk4-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/202604101944.7DfbTtk4-lkp@intel.com/

Note: the android-common/android16-6.12 HEAD 91e49117396d06326d151f97f382c6d93a267bea builds fine.
      It only hurts bisectability.

All errors (new ones prefixed by >>):

   In file included from kernel/sched/build_policy.c:60:
>> kernel/sched/deadline.c:2689:25: error: no member named 'pushable_dl_tasks' in 'struct task_struct'
    2689 |         if (!RB_EMPTY_NODE(&p->pushable_dl_tasks))
         |                             ~  ^
   include/linux/rbtree.h:34:4: note: expanded from macro 'RB_EMPTY_NODE'
      34 |         ((node)->__rb_parent_color == (unsigned long)(node))
         |           ^~~~
   In file included from kernel/sched/build_policy.c:60:
>> kernel/sched/deadline.c:2689:25: error: no member named 'pushable_dl_tasks' in 'struct task_struct'
    2689 |         if (!RB_EMPTY_NODE(&p->pushable_dl_tasks))
         |                             ~  ^
   include/linux/rbtree.h:34:48: note: expanded from macro 'RB_EMPTY_NODE'
      34 |         ((node)->__rb_parent_color == (unsigned long)(node))
         |                                                       ^~~~
   2 errors generated.


vim +2689 kernel/sched/deadline.c

  2661	
  2662	static void put_prev_task_dl(struct rq *rq, struct task_struct *p, struct task_struct *next)
  2663	{
  2664		struct sched_dl_entity *dl_se = &p->dl;
  2665		struct dl_rq *dl_rq = &rq->dl;
  2666	
  2667		if (on_dl_rq(&p->dl))
  2668			update_stats_wait_start_dl(dl_rq, dl_se);
  2669	
  2670		update_curr_dl(rq);
  2671	
  2672		update_dl_rq_load_avg(rq_clock_pelt(rq), rq, 1);
  2673	
  2674		if (task_is_blocked(p))
  2675			return;
  2676	
  2677		/*
  2678		 * With proxy-exec its possible the following call
  2679		 * chain from update_curr_dl() called above has already
  2680		 * added us to the pushable list:
  2681		 * update_curr_dl()
  2682		 * -> update_curr_dl_se()
  2683		 *    -> enqueue_task_dl()
  2684		 *       -> enqueue_pushable_dl_task()
  2685		 *
  2686		 * So check if we're already added to make sure we don't
  2687		 * get added twice
  2688		 */
> 2689		if (!RB_EMPTY_NODE(&p->pushable_dl_tasks))
  2690			return;
  2691	
  2692		if (on_dl_rq(&p->dl) && p->nr_cpus_allowed > 1)
  2693			enqueue_pushable_dl_task(rq, p);
  2694	}
  2695	

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