sched: Move struct sched_class to kernel/sched/sched.h

It's used internally only.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/5135A79F.8090502@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 4e5c2afdac91..eca526d7afbd 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -951,6 +951,61 @@ enum cpuacct_stat_index {
         CPUACCT_STAT_NSTATS,
 };
 
+#define ENQUEUE_WAKEUP          1
+#define ENQUEUE_HEAD            2
+#ifdef CONFIG_SMP
+#define ENQUEUE_WAKING          4       /* sched_class::task_waking was called */
+#else
+#define ENQUEUE_WAKING          0
+#endif
+
+#define DEQUEUE_SLEEP           1
+
+struct sched_class {
+        const struct sched_class *next;
+
+        void (*enqueue_task) (struct rq *rq, struct task_struct *p, int flags);
+        void (*dequeue_task) (struct rq *rq, struct task_struct *p, int flags);
+        void (*yield_task) (struct rq *rq);
+        bool (*yield_to_task) (struct rq *rq, struct task_struct *p, bool preempt);
+
+        void (*check_preempt_curr) (struct rq *rq, struct task_struct *p, int flags);
+
+        struct task_struct * (*pick_next_task) (struct rq *rq);
+        void (*put_prev_task) (struct rq *rq, struct task_struct *p);
+
+#ifdef CONFIG_SMP
+        int  (*select_task_rq)(struct task_struct *p, int sd_flag, int flags);
+        void (*migrate_task_rq)(struct task_struct *p, int next_cpu);
+
+        void (*pre_schedule) (struct rq *this_rq, struct task_struct *task);
+        void (*post_schedule) (struct rq *this_rq);
+        void (*task_waking) (struct task_struct *task);
+        void (*task_woken) (struct rq *this_rq, struct task_struct *task);
+
+        void (*set_cpus_allowed)(struct task_struct *p,
+                                 const struct cpumask *newmask);
+
+        void (*rq_online)(struct rq *rq);
+        void (*rq_offline)(struct rq *rq);
+#endif
+
+        void (*set_curr_task) (struct rq *rq);
+        void (*task_tick) (struct rq *rq, struct task_struct *p, int queued);
+        void (*task_fork) (struct task_struct *p);
+
+        void (*switched_from) (struct rq *this_rq, struct task_struct *task);
+        void (*switched_to) (struct rq *this_rq, struct task_struct *task);
+        void (*prio_changed) (struct rq *this_rq, struct task_struct *task,
+                             int oldprio);
+
+        unsigned int (*get_rr_interval) (struct rq *rq,
+                                         struct task_struct *task);
+
+#ifdef CONFIG_FAIR_GROUP_SCHED
+        void (*task_move_group) (struct task_struct *p, int on_rq);
+#endif
+};
 
 #define sched_class_highest (&stop_sched_class)
 #define for_each_class(class) \