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Commit c82ba9fa authored by Li Zefan's avatar Li Zefan Committed by Ingo Molnar
Browse files

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



It's used internally only.

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


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent b13095f0

include/linux/sched.h

+0 −59
Original line number Diff line number Diff line
@@ -917,65 +917,6 @@ struct mempolicy; 
struct pipe_inode_info;

struct uts_namespace;



struct rq;

struct sched_domain;



#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

};



struct load_weight {

	unsigned long weight, inv_weight;

};

kernel/sched/sched.h

+55 −0
Original line number Diff line number Diff line
@@ -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) \