[PATCH] sched: cleanup, convert sched.c-internal typedefs to struct

convert:

 - runqueue_t to 'struct rq'
 - prio_array_t to 'struct prio_array'
 - migration_req_t to 'struct migration_req'

I was the one who added these but they are both against the kernel coding
style and also were used inconsistently at places.  So just get rid of them at
once, now that we are flushing the scheduler patch-queue anyway.

Conversion was mostly scripted, the result was reviewed and all secondary
whitespace and style impact (if any) was fixed up by hand.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/linux/sched.h

@@ -534,7 +534,6 @@ extern struct user_struct *find_user(uid_t);
 extern struct user_struct root_user;
 #define INIT_USER (&root_user)
 
-typedef struct prio_array prio_array_t;
 struct backing_dev_info;
 struct reclaim_state;
 
@@ -715,6 +714,8 @@ enum sleep_type {
 	SLEEP_INTERRUPTED,
 };
 
+struct prio_array;
+
 struct task_struct {
 	volatile long state;	/* -1 unrunnable, 0 runnable, >0 stopped */
 	struct thread_info *thread_info;
@@ -732,7 +733,7 @@ struct task_struct {
 	int load_weight;	/* for niceness load balancing purposes */
 	int prio, static_prio, normal_prio;
 	struct list_head run_list;
-	prio_array_t *array;
+	struct prio_array *array;
 
 	unsigned short ioprio;
 	unsigned int btrace_seq;

kernel/sched.c

@@ -188,8 +188,6 @@ static inline unsigned int task_timeslice(struct task_struct *p)
  * These are the runqueue data structures:
  */
 
-typedef struct runqueue runqueue_t;
-
 struct prio_array {
 	unsigned int nr_active;
 	DECLARE_BITMAP(bitmap, MAX_PRIO+1); /* include 1 bit for delimiter */
@@ -203,7 +201,7 @@ struct prio_array {
  * (such as the load balancing or the thread migration code), lock
  * acquire operations must be ordered by ascending &runqueue.
  */
-struct runqueue {
+struct rq {
 	spinlock_t lock;
 
 	/*
@@ -229,7 +227,7 @@ struct runqueue {
 	unsigned long long timestamp_last_tick;
 	struct task_struct *curr, *idle;
 	struct mm_struct *prev_mm;
-	prio_array_t *active, *expired, arrays[2];
+	struct prio_array *active, *expired, arrays[2];
 	int best_expired_prio;
 	atomic_t nr_iowait;
 
@@ -266,7 +264,7 @@ struct runqueue {
 	struct lock_class_key rq_lock_key;
 };
 
-static DEFINE_PER_CPU(struct runqueue, runqueues);
+static DEFINE_PER_CPU(struct rq, runqueues);
 
 /*
  * The domain tree (rq->sd) is protected by RCU's quiescent state transition.
@@ -291,16 +289,16 @@ static DEFINE_PER_CPU(struct runqueue, runqueues);
 #endif
 
 #ifndef __ARCH_WANT_UNLOCKED_CTXSW
-static inline int task_running(runqueue_t *rq, struct task_struct *p)
+static inline int task_running(struct rq *rq, struct task_struct *p)
 {
 	return rq->curr == p;
 }
 
-static inline void prepare_lock_switch(runqueue_t *rq, struct task_struct *next)
+static inline void prepare_lock_switch(struct rq *rq, struct task_struct *next)
 {
 }
 
-static inline void finish_lock_switch(runqueue_t *rq, struct task_struct *prev)
+static inline void finish_lock_switch(struct rq *rq, struct task_struct *prev)
 {
 #ifdef CONFIG_DEBUG_SPINLOCK
 	/* this is a valid case when another task releases the spinlock */
@@ -317,7 +315,7 @@ static inline void finish_lock_switch(runqueue_t *rq, struct task_struct *prev)
 }
 
 #else /* __ARCH_WANT_UNLOCKED_CTXSW */
-static inline int task_running(runqueue_t *rq, struct task_struct *p)
+static inline int task_running(struct rq *rq, struct task_struct *p)
 {
 #ifdef CONFIG_SMP
 	return p->oncpu;
@@ -326,7 +324,7 @@ static inline int task_running(runqueue_t *rq, struct task_struct *p)
 #endif
 }
 
-static inline void prepare_lock_switch(runqueue_t *rq, struct task_struct *next)
+static inline void prepare_lock_switch(struct rq *rq, struct task_struct *next)
 {
 #ifdef CONFIG_SMP
 	/*
@@ -343,7 +341,7 @@ static inline void prepare_lock_switch(runqueue_t *rq, struct task_struct *next)
 #endif
 }
 
-static inline void finish_lock_switch(runqueue_t *rq, struct task_struct *prev)
+static inline void finish_lock_switch(struct rq *rq, struct task_struct *prev)
 {
 #ifdef CONFIG_SMP
 	/*
@@ -364,10 +362,10 @@ static inline void finish_lock_switch(runqueue_t *rq, struct task_struct *prev)
  * __task_rq_lock - lock the runqueue a given task resides on.
  * Must be called interrupts disabled.
  */
-static inline runqueue_t *__task_rq_lock(struct task_struct *p)
+static inline struct rq *__task_rq_lock(struct task_struct *p)
 	__acquires(rq->lock)
 {
-	struct runqueue *rq;
+	struct rq *rq;
 
 repeat_lock_task:
 	rq = task_rq(p);
@@ -384,10 +382,10 @@ repeat_lock_task:
  * interrupts.  Note the ordering: we can safely lookup the task_rq without
  * explicitly disabling preemption.
  */
-static runqueue_t *task_rq_lock(struct task_struct *p, unsigned long *flags)
+static struct rq *task_rq_lock(struct task_struct *p, unsigned long *flags)
 	__acquires(rq->lock)
 {
-	struct runqueue *rq;
+	struct rq *rq;
 
 repeat_lock_task:
 	local_irq_save(*flags);
@@ -400,13 +398,13 @@ repeat_lock_task:
 	return rq;
 }
 
-static inline void __task_rq_unlock(runqueue_t *rq)
+static inline void __task_rq_unlock(struct rq *rq)
 	__releases(rq->lock)
 {
 	spin_unlock(&rq->lock);
 }
 
-static inline void task_rq_unlock(runqueue_t *rq, unsigned long *flags)
+static inline void task_rq_unlock(struct rq *rq, unsigned long *flags)
 	__releases(rq->lock)
 {
 	spin_unlock_irqrestore(&rq->lock, *flags);
@@ -426,7 +424,7 @@ static int show_schedstat(struct seq_file *seq, void *v)
 	seq_printf(seq, "version %d\n", SCHEDSTAT_VERSION);
 	seq_printf(seq, "timestamp %lu\n", jiffies);
 	for_each_online_cpu(cpu) {
-		runqueue_t *rq = cpu_rq(cpu);
+		struct rq *rq = cpu_rq(cpu);
 #ifdef CONFIG_SMP
 		struct sched_domain *sd;
 		int dcnt = 0;
@@ -513,10 +511,10 @@ struct file_operations proc_schedstat_operations = {
 /*
  * rq_lock - lock a given runqueue and disable interrupts.
  */
-static inline runqueue_t *this_rq_lock(void)
+static inline struct rq *this_rq_lock(void)
 	__acquires(rq->lock)
 {
-	runqueue_t *rq;
+	struct rq *rq;
 
 	local_irq_disable();
 	rq = this_rq();
@@ -554,7 +552,7 @@ static inline void sched_info_dequeued(struct task_struct *t)
 static void sched_info_arrive(struct task_struct *t)
 {
 	unsigned long now = jiffies, diff = 0;
-	struct runqueue *rq = task_rq(t);
+	struct rq *rq = task_rq(t);
 
 	if (t->sched_info.last_queued)
 		diff = now - t->sched_info.last_queued;
@@ -597,7 +595,7 @@ static inline void sched_info_queued(struct task_struct *t)
  */
 static inline void sched_info_depart(struct task_struct *t)
 {
-	struct runqueue *rq = task_rq(t);
+	struct rq *rq = task_rq(t);
 	unsigned long diff = jiffies - t->sched_info.last_arrival;
 
 	t->sched_info.cpu_time += diff;
@@ -614,7 +612,7 @@ static inline void sched_info_depart(struct task_struct *t)
 static inline void
 sched_info_switch(struct task_struct *prev, struct task_struct *next)
 {
-	struct runqueue *rq = task_rq(prev);
+	struct rq *rq = task_rq(prev);
 
 	/*
 	 * prev now departs the cpu.  It's not interesting to record
@@ -635,7 +633,7 @@ sched_info_switch(struct task_struct *prev, struct task_struct *next)
 /*
  * Adding/removing a task to/from a priority array:
  */
-static void dequeue_task(struct task_struct *p, prio_array_t *array)
+static void dequeue_task(struct task_struct *p, struct prio_array *array)
 {
 	array->nr_active--;
 	list_del(&p->run_list);
@@ -643,7 +641,7 @@ static void dequeue_task(struct task_struct *p, prio_array_t *array)
 		__clear_bit(p->prio, array->bitmap);
 }
 
-static void enqueue_task(struct task_struct *p, prio_array_t *array)
+static void enqueue_task(struct task_struct *p, struct prio_array *array)
 {
 	sched_info_queued(p);
 	list_add_tail(&p->run_list, array->queue + p->prio);
@@ -656,12 +654,13 @@ static void enqueue_task(struct task_struct *p, prio_array_t *array)
  * Put task to the end of the run list without the overhead of dequeue
  * followed by enqueue.
  */
-static void requeue_task(struct task_struct *p, prio_array_t *array)
+static void requeue_task(struct task_struct *p, struct prio_array *array)
 {
 	list_move_tail(&p->run_list, array->queue + p->prio);
 }
 
-static inline void enqueue_task_head(struct task_struct *p, prio_array_t *array)
+static inline void
+enqueue_task_head(struct task_struct *p, struct prio_array *array)
 {
 	list_add(&p->run_list, array->queue + p->prio);
 	__set_bit(p->prio, array->bitmap);
@@ -739,24 +738,24 @@ static void set_load_weight(struct task_struct *p)
 }
 
 static inline void
-inc_raw_weighted_load(runqueue_t *rq, const struct task_struct *p)
+inc_raw_weighted_load(struct rq *rq, const struct task_struct *p)
 {
 	rq->raw_weighted_load += p->load_weight;
 }
 
 static inline void
-dec_raw_weighted_load(runqueue_t *rq, const struct task_struct *p)
+dec_raw_weighted_load(struct rq *rq, const struct task_struct *p)
 {
 	rq->raw_weighted_load -= p->load_weight;
 }
 
-static inline void inc_nr_running(struct task_struct *p, runqueue_t *rq)
+static inline void inc_nr_running(struct task_struct *p, struct rq *rq)
 {
 	rq->nr_running++;
 	inc_raw_weighted_load(rq, p);
 }
 
-static inline void dec_nr_running(struct task_struct *p, runqueue_t *rq)
+static inline void dec_nr_running(struct task_struct *p, struct rq *rq)
 {
 	rq->nr_running--;
 	dec_raw_weighted_load(rq, p);
@@ -803,9 +802,9 @@ static int effective_prio(struct task_struct *p)
 /*
  * __activate_task - move a task to the runqueue.
  */
-static void __activate_task(struct task_struct *p, runqueue_t *rq)
+static void __activate_task(struct task_struct *p, struct rq *rq)
 {
-	prio_array_t *target = rq->active;
+	struct prio_array *target = rq->active;
 
 	if (batch_task(p))
 		target = rq->expired;
@@ -816,7 +815,7 @@ static void __activate_task(struct task_struct *p, runqueue_t *rq)
 /*
  * __activate_idle_task - move idle task to the _front_ of runqueue.
  */
-static inline void __activate_idle_task(struct task_struct *p, runqueue_t *rq)
+static inline void __activate_idle_task(struct task_struct *p, struct rq *rq)
 {
 	enqueue_task_head(p, rq->active);
 	inc_nr_running(p, rq);
@@ -898,7 +897,7 @@ static int recalc_task_prio(struct task_struct *p, unsigned long long now)
  * Update all the scheduling statistics stuff. (sleep average
  * calculation, priority modifiers, etc.)
  */
-static void activate_task(struct task_struct *p, runqueue_t *rq, int local)
+static void activate_task(struct task_struct *p, struct rq *rq, int local)
 {
 	unsigned long long now;
 
@@ -906,7 +905,7 @@ static void activate_task(struct task_struct *p, runqueue_t *rq, int local)
 #ifdef CONFIG_SMP
 	if (!local) {
 		/* Compensate for drifting sched_clock */
-		runqueue_t *this_rq = this_rq();
+		struct rq *this_rq = this_rq();
 		now = (now - this_rq->timestamp_last_tick)
 			+ rq->timestamp_last_tick;
 	}
@@ -945,7 +944,7 @@ static void activate_task(struct task_struct *p, runqueue_t *rq, int local)
 /*
  * deactivate_task - remove a task from the runqueue.
  */
-static void deactivate_task(struct task_struct *p, runqueue_t *rq)
+static void deactivate_task(struct task_struct *p, struct rq *rq)
 {
 	dec_nr_running(p, rq);
 	dequeue_task(p, p->array);
@@ -1009,23 +1008,23 @@ unsigned long weighted_cpuload(const int cpu)
 }
 
 #ifdef CONFIG_SMP
-typedef struct {
+struct migration_req {
 	struct list_head list;
 
 	struct task_struct *task;
 	int dest_cpu;
 
 	struct completion done;
-} migration_req_t;
+};
 
 /*
  * The task's runqueue lock must be held.
  * Returns true if you have to wait for migration thread.
  */
 static int
-migrate_task(struct task_struct *p, int dest_cpu, migration_req_t *req)
+migrate_task(struct task_struct *p, int dest_cpu, struct migration_req *req)
 {
-	runqueue_t *rq = task_rq(p);
+	struct rq *rq = task_rq(p);
 
 	/*
 	 * If the task is not on a runqueue (and not running), then
@@ -1056,7 +1055,7 @@ migrate_task(struct task_struct *p, int dest_cpu, migration_req_t *req)
 void wait_task_inactive(struct task_struct *p)
 {
 	unsigned long flags;
-	runqueue_t *rq;
+	struct rq *rq;
 	int preempted;
 
 repeat:
@@ -1107,7 +1106,7 @@ void kick_process(struct task_struct *p)
  */
 static inline unsigned long source_load(int cpu, int type)
 {
-	runqueue_t *rq = cpu_rq(cpu);
+	struct rq *rq = cpu_rq(cpu);
 
 	if (type == 0)
 		return rq->raw_weighted_load;
@@ -1121,7 +1120,7 @@ static inline unsigned long source_load(int cpu, int type)
  */
 static inline unsigned long target_load(int cpu, int type)
 {
-	runqueue_t *rq = cpu_rq(cpu);
+	struct rq *rq = cpu_rq(cpu);
 
 	if (type == 0)
 		return rq->raw_weighted_load;
@@ -1134,7 +1133,7 @@ static inline unsigned long target_load(int cpu, int type)
  */
 static inline unsigned long cpu_avg_load_per_task(int cpu)
 {
-	runqueue_t *rq = cpu_rq(cpu);
+	struct rq *rq = cpu_rq(cpu);
 	unsigned long n = rq->nr_running;
 
 	return n ? rq->raw_weighted_load / n : SCHED_LOAD_SCALE;
@@ -1338,10 +1337,10 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state, int sync)
 	int cpu, this_cpu, success = 0;
 	unsigned long flags;
 	long old_state;
-	runqueue_t *rq;
+	struct rq *rq;
 #ifdef CONFIG_SMP
-	unsigned long load, this_load;
 	struct sched_domain *sd, *this_sd = NULL;
+	unsigned long load, this_load;
 	int new_cpu;
 #endif
 
@@ -1577,9 +1576,9 @@ void fastcall sched_fork(struct task_struct *p, int clone_flags)
  */
 void fastcall wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
 {
+	struct rq *rq, *this_rq;
 	unsigned long flags;
 	int this_cpu, cpu;
-	runqueue_t *rq, *this_rq;
 
 	rq = task_rq_lock(p, &flags);
 	BUG_ON(p->state != TASK_RUNNING);
@@ -1662,7 +1661,7 @@ void fastcall wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
 void fastcall sched_exit(struct task_struct *p)
 {
 	unsigned long flags;
-	runqueue_t *rq;
+	struct rq *rq;
 
 	/*
 	 * If the child was a (relative-) CPU hog then decrease
@@ -1693,7 +1692,7 @@ void fastcall sched_exit(struct task_struct *p)
  * prepare_task_switch sets up locking and calls architecture specific
  * hooks.
  */
-static inline void prepare_task_switch(runqueue_t *rq, struct task_struct *next)
+static inline void prepare_task_switch(struct rq *rq, struct task_struct *next)
 {
 	prepare_lock_switch(rq, next);
 	prepare_arch_switch(next);
@@ -1714,7 +1713,7 @@ static inline void prepare_task_switch(runqueue_t *rq, struct task_struct *next)
  * with the lock held can cause deadlocks; see schedule() for
  * details.)
  */
-static inline void finish_task_switch(runqueue_t *rq, struct task_struct *prev)
+static inline void finish_task_switch(struct rq *rq, struct task_struct *prev)
 	__releases(rq->lock)
 {
 	struct mm_struct *mm = rq->prev_mm;
@@ -1755,7 +1754,8 @@ static inline void finish_task_switch(runqueue_t *rq, struct task_struct *prev)
 asmlinkage void schedule_tail(struct task_struct *prev)
 	__releases(rq->lock)
 {
-	runqueue_t *rq = this_rq();
+	struct rq *rq = this_rq();
+
 	finish_task_switch(rq, prev);
 #ifdef __ARCH_WANT_UNLOCKED_CTXSW
 	/* In this case, finish_task_switch does not reenable preemption */
@@ -1770,7 +1770,7 @@ asmlinkage void schedule_tail(struct task_struct *prev)
  * thread's register state.
  */
 static inline struct task_struct *
-context_switch(runqueue_t *rq, struct task_struct *prev,
+context_switch(struct rq *rq, struct task_struct *prev,
 	       struct task_struct *next)
 {
 	struct mm_struct *mm = next->mm;
@@ -1883,7 +1883,7 @@ task_hot(struct task_struct *p, unsigned long long now, struct sched_domain *sd)
  * Note this does not disable interrupts like task_rq_lock,
  * you need to do so manually before calling.
  */
-static void double_rq_lock(runqueue_t *rq1, runqueue_t *rq2)
+static void double_rq_lock(struct rq *rq1, struct rq *rq2)
 	__acquires(rq1->lock)
 	__acquires(rq2->lock)
 {
@@ -1907,7 +1907,7 @@ static void double_rq_lock(runqueue_t *rq1, runqueue_t *rq2)
  * Note this does not restore interrupts like task_rq_unlock,
  * you need to do so manually after calling.
  */
-static void double_rq_unlock(runqueue_t *rq1, runqueue_t *rq2)
+static void double_rq_unlock(struct rq *rq1, struct rq *rq2)
 	__releases(rq1->lock)
 	__releases(rq2->lock)
 {
@@ -1921,7 +1921,7 @@ static void double_rq_unlock(runqueue_t *rq1, runqueue_t *rq2)
 /*
  * double_lock_balance - lock the busiest runqueue, this_rq is locked already.
  */
-static void double_lock_balance(runqueue_t *this_rq, runqueue_t *busiest)
+static void double_lock_balance(struct rq *this_rq, struct rq *busiest)
 	__releases(this_rq->lock)
 	__acquires(busiest->lock)
 	__acquires(this_rq->lock)
@@ -1944,9 +1944,9 @@ static void double_lock_balance(runqueue_t *this_rq, runqueue_t *busiest)
  */
 static void sched_migrate_task(struct task_struct *p, int dest_cpu)
 {
-	migration_req_t req;
-	runqueue_t *rq;
+	struct migration_req req;
 	unsigned long flags;
+	struct rq *rq;
 
 	rq = task_rq_lock(p, &flags);
 	if (!cpu_isset(dest_cpu, p->cpus_allowed)
@@ -1987,9 +1987,9 @@ void sched_exec(void)
  * pull_task - move a task from a remote runqueue to the local runqueue.
  * Both runqueues must be locked.
  */
-static void pull_task(runqueue_t *src_rq, prio_array_t *src_array,
-		      struct task_struct *p, runqueue_t *this_rq,
-		      prio_array_t *this_array, int this_cpu)
+static void pull_task(struct rq *src_rq, struct prio_array *src_array,
+		      struct task_struct *p, struct rq *this_rq,
+		      struct prio_array *this_array, int this_cpu)
 {
 	dequeue_task(p, src_array);
 	dec_nr_running(p, src_rq);
@@ -2010,7 +2010,7 @@ static void pull_task(runqueue_t *src_rq, prio_array_t *src_array,
  * can_migrate_task - may task p from runqueue rq be migrated to this_cpu?
  */
 static
-int can_migrate_task(struct task_struct *p, runqueue_t *rq, int this_cpu,
+int can_migrate_task(struct task_struct *p, struct rq *rq, int this_cpu,
 		     struct sched_domain *sd, enum idle_type idle,
 		     int *all_pinned)
 {
@@ -2050,14 +2050,14 @@ int can_migrate_task(struct task_struct *p, runqueue_t *rq, int this_cpu,
  *
  * Called with both runqueues locked.
  */
-static int move_tasks(runqueue_t *this_rq, int this_cpu, runqueue_t *busiest,
+static int move_tasks(struct rq *this_rq, int this_cpu, struct rq *busiest,
 		      unsigned long max_nr_move, unsigned long max_load_move,
 		      struct sched_domain *sd, enum idle_type idle,
 		      int *all_pinned)
 {
 	int idx, pulled = 0, pinned = 0, this_best_prio, best_prio,
 	    best_prio_seen, skip_for_load;
-	prio_array_t *array, *dst_array;
+	struct prio_array *array, *dst_array;
 	struct list_head *head, *curr;
 	struct task_struct *tmp;
 	long rem_load_move;
@@ -2212,7 +2212,7 @@ find_busiest_group(struct sched_domain *sd, int this_cpu,
 		sum_weighted_load = sum_nr_running = avg_load = 0;
 
 		for_each_cpu_mask(i, group->cpumask) {
-			runqueue_t *rq = cpu_rq(i);
+			struct rq *rq = cpu_rq(i);
 
 			if (*sd_idle && !idle_cpu(i))
 				*sd_idle = 0;
@@ -2428,11 +2428,11 @@ ret:
 /*
  * find_busiest_queue - find the busiest runqueue among the cpus in group.
  */
-static runqueue_t *
+static struct rq *
 find_busiest_queue(struct sched_group *group, enum idle_type idle,
 		   unsigned long imbalance)
 {
-	runqueue_t *busiest = NULL, *rq;
+	struct rq *busiest = NULL, *rq;
 	unsigned long max_load = 0;
 	int i;
 
@@ -2468,13 +2468,13 @@ static inline unsigned long minus_1_or_zero(unsigned long n)
  *
  * Called with this_rq unlocked.
  */
-static int load_balance(int this_cpu, runqueue_t *this_rq,
+static int load_balance(int this_cpu, struct rq *this_rq,
 			struct sched_domain *sd, enum idle_type idle)
 {
 	int nr_moved, all_pinned = 0, active_balance = 0, sd_idle = 0;
 	struct sched_group *group;
 	unsigned long imbalance;
-	runqueue_t *busiest;
+	struct rq *busiest;
 
 	if (idle != NOT_IDLE && sd->flags & SD_SHARE_CPUPOWER &&
 	    !sched_smt_power_savings)
@@ -2596,10 +2596,10 @@ out_one_pinned:
  * this_rq is locked.
  */
 static int
-load_balance_newidle(int this_cpu, runqueue_t *this_rq, struct sched_domain *sd)
+load_balance_newidle(int this_cpu, struct rq *this_rq, struct sched_domain *sd)
 {
 	struct sched_group *group;
-	runqueue_t *busiest = NULL;
+	struct rq *busiest = NULL;
 	unsigned long imbalance;
 	int nr_moved = 0;
 	int sd_idle = 0;
@@ -2657,7 +2657,7 @@ out_balanced:
  * idle_balance is called by schedule() if this_cpu is about to become
  * idle. Attempts to pull tasks from other CPUs.
  */
-static void idle_balance(int this_cpu, runqueue_t *this_rq)
+static void idle_balance(int this_cpu, struct rq *this_rq)
 {
 	struct sched_domain *sd;
 
@@ -2678,11 +2678,11 @@ static void idle_balance(int this_cpu, runqueue_t *this_rq)
  *
  * Called with busiest_rq locked.
  */
-static void active_load_balance(runqueue_t *busiest_rq, int busiest_cpu)
+static void active_load_balance(struct rq *busiest_rq, int busiest_cpu)
 {
-	struct sched_domain *sd;
-	runqueue_t *target_rq;
 	int target_cpu = busiest_rq->push_cpu;
+	struct sched_domain *sd;
+	struct rq *target_rq;
 
 	/* Is there any task to move? */
 	if (busiest_rq->nr_running <= 1)
@@ -2736,7 +2736,7 @@ static inline unsigned long cpu_offset(int cpu)
 }
 
 static void
-rebalance_tick(int this_cpu, runqueue_t *this_rq, enum idle_type idle)
+rebalance_tick(int this_cpu, struct rq *this_rq, enum idle_type idle)
 {
 	unsigned long this_load, interval, j = cpu_offset(this_cpu);
 	struct sched_domain *sd;
@@ -2790,15 +2790,15 @@ rebalance_tick(int this_cpu, runqueue_t *this_rq, enum idle_type idle)
 /*
  * on UP we do not need to balance between CPUs:
  */
-static inline void rebalance_tick(int cpu, runqueue_t *rq, enum idle_type idle)
+static inline void rebalance_tick(int cpu, struct rq *rq, enum idle_type idle)
 {
 }
-static inline void idle_balance(int cpu, runqueue_t *rq)
+static inline void idle_balance(int cpu, struct rq *rq)
 {
 }
 #endif
 
-static inline int wake_priority_sleeper(runqueue_t *rq)
+static inline int wake_priority_sleeper(struct rq *rq)
 {
 	int ret = 0;
 
@@ -2826,7 +2826,7 @@ EXPORT_PER_CPU_SYMBOL(kstat);
  * Bank in p->sched_time the ns elapsed since the last tick or switch.
  */
 static inline void
-update_cpu_clock(struct task_struct *p, runqueue_t *rq, unsigned long long now)
+update_cpu_clock(struct task_struct *p, struct rq *rq, unsigned long long now)
 {
 	p->sched_time += now - max(p->timestamp, rq->timestamp_last_tick);
 }
@@ -2858,7 +2858,7 @@ unsigned long long current_sched_time(const struct task_struct *p)
  * increasing number of running tasks. We also ignore the interactivity
  * if a better static_prio task has expired:
  */
-static inline int expired_starving(runqueue_t *rq)
+static inline int expired_starving(struct rq *rq)
 {
 	if (rq->curr->static_prio > rq->best_expired_prio)
 		return 1;
@@ -2900,7 +2900,7 @@ void account_system_time(struct task_struct *p, int hardirq_offset,
 			 cputime_t cputime)
 {
 	struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat;
-	runqueue_t *rq = this_rq();
+	struct rq *rq = this_rq();
 	cputime64_t tmp;
 
 	p->stime = cputime_add(p->stime, cputime);
@@ -2930,7 +2930,7 @@ void account_steal_time(struct task_struct *p, cputime_t steal)
 {
 	struct cpu_usage_stat *cpustat = &kstat_this_cpu.cpustat;
 	cputime64_t tmp = cputime_to_cputime64(steal);
-	runqueue_t *rq = this_rq();
+	struct rq *rq = this_rq();
 
 	if (p == rq->idle) {
 		p->stime = cputime_add(p->stime, steal);
@@ -2954,7 +2954,7 @@ void scheduler_tick(void)
 	unsigned long long now = sched_clock();
 	struct task_struct *p = current;
 	int cpu = smp_processor_id();
-	runqueue_t *rq = this_rq();
+	struct rq *rq = cpu_rq(cpu);
 
 	update_cpu_clock(p, rq, now);
 
@@ -3043,7 +3043,7 @@ out:
 }
 
 #ifdef CONFIG_SCHED_SMT
-static inline void wakeup_busy_runqueue(runqueue_t *rq)
+static inline void wakeup_busy_runqueue(struct rq *rq)
 {
 	/* If an SMT runqueue is sleeping due to priority reasons wake it up */
 	if (rq->curr == rq->idle && rq->nr_running)
@@ -3069,7 +3069,7 @@ static void wake_sleeping_dependent(int this_cpu)
 		return;
 
 	for_each_cpu_mask(i, sd->span) {
-		runqueue_t *smt_rq = cpu_rq(i);
+		struct rq *smt_rq = cpu_rq(i);
 
 		if (i == this_cpu)
 			continue;
@@ -3099,7 +3099,7 @@ smt_slice(struct task_struct *p, struct sched_domain *sd)
  * need to be obeyed.
  */
 static int
-dependent_sleeper(int this_cpu, runqueue_t *this_rq, struct task_struct *p)
+dependent_sleeper(int this_cpu, struct rq *this_rq, struct task_struct *p)
 {
 	struct sched_domain *tmp, *sd = NULL;
 	int ret = 0, i;
@@ -3120,7 +3120,7 @@ dependent_sleeper(int this_cpu, runqueue_t *this_rq, struct task_struct *p)
 
 	for_each_cpu_mask(i, sd->span) {
 		struct task_struct *smt_curr;
-		runqueue_t *smt_rq;
+		struct rq *smt_rq;
 
 		if (i == this_cpu)
 			continue;
@@ -3166,7 +3166,7 @@ static inline void wake_sleeping_dependent(int this_cpu)
 {
 }
 static inline int
-dependent_sleeper(int this_cpu, runqueue_t *this_rq, struct task_struct *p)
+dependent_sleeper(int this_cpu, struct rq *this_rq, struct task_struct *p)
 {
 	return 0;
 }
@@ -3221,13 +3221,13 @@ static inline int interactive_sleep(enum sleep_type sleep_type)
 asmlinkage void __sched schedule(void)
 {
 	struct task_struct *prev, *next;
+	struct prio_array *array;
 	struct list_head *queue;
 	unsigned long long now;
 	unsigned long run_time;
 	int cpu, idx, new_prio;
-	prio_array_t *array;
 	long *switch_count;
-	runqueue_t *rq;
+	struct rq *rq;
 
 	/*
 	 * Test if we are atomic.  Since do_exit() needs to call into
@@ -3787,9 +3787,9 @@ EXPORT_SYMBOL(sleep_on_timeout);
  */
 void rt_mutex_setprio(struct task_struct *p, int prio)
 {
+	struct prio_array *array;
 	unsigned long flags;
-	prio_array_t *array;
-	runqueue_t *rq;
+	struct rq *rq;
 	int oldprio;
 
 	BUG_ON(prio < 0 || prio > MAX_PRIO);
@@ -3828,10 +3828,10 @@ void rt_mutex_setprio(struct task_struct *p, int prio)
 
 void set_user_nice(struct task_struct *p, long nice)
 {
+	struct prio_array *array;
 	int old_prio, delta;
 	unsigned long flags;
-	prio_array_t *array;
-	runqueue_t *rq;
+	struct rq *rq;
 
 	if (TASK_NICE(p) == nice || nice < -20 || nice > 19)
 		return;
@@ -4012,9 +4012,9 @@ int sched_setscheduler(struct task_struct *p, int policy,
 		       struct sched_param *param)
 {
 	int retval, oldprio, oldpolicy = -1;
-	prio_array_t *array;
+	struct prio_array *array;
 	unsigned long flags;
-	runqueue_t *rq;
+	struct rq *rq;
 
 	/* may grab non-irq protected spin_locks */
 	BUG_ON(in_interrupt());
@@ -4376,9 +4376,8 @@ asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
  */
 asmlinkage long sys_sched_yield(void)
 {
-	runqueue_t *rq = this_rq_lock();
-	prio_array_t *array = current->array;
-	prio_array_t *target = rq->expired;
+	struct rq *rq = this_rq_lock();
+	struct prio_array *array = current->array, *target = rq->expired;
 
 	schedstat_inc(rq, yld_cnt);
 	/*
@@ -4525,7 +4524,7 @@ EXPORT_SYMBOL(yield);
  */
 void __sched io_schedule(void)
 {
-	struct runqueue *rq = &__raw_get_cpu_var(runqueues);
+	struct rq *rq = &__raw_get_cpu_var(runqueues);
 
 	atomic_inc(&rq->nr_iowait);
 	schedule();
@@ -4535,7 +4534,7 @@ EXPORT_SYMBOL(io_schedule);
 
 long __sched io_schedule_timeout(long timeout)
 {
-	struct runqueue *rq = &__raw_get_cpu_var(runqueues);
+	struct rq *rq = &__raw_get_cpu_var(runqueues);
 	long ret;
 
 	atomic_inc(&rq->nr_iowait);
@@ -4743,7 +4742,7 @@ void show_state(void)
  */
 void __devinit init_idle(struct task_struct *idle, int cpu)
 {
-	runqueue_t *rq = cpu_rq(cpu);
+	struct rq *rq = cpu_rq(cpu);
 	unsigned long flags;
 
 	idle->timestamp = sched_clock();
@@ -4782,7 +4781,7 @@ cpumask_t nohz_cpu_mask = CPU_MASK_NONE;
 /*
  * This is how migration works:
  *
- * 1) we queue a migration_req_t structure in the source CPU's
+ * 1) we queue a struct migration_req structure in the source CPU's
  *    runqueue and wake up that CPU's migration thread.
  * 2) we down() the locked semaphore => thread blocks.
  * 3) migration thread wakes up (implicitly it forces the migrated
@@ -4806,9 +4805,9 @@ cpumask_t nohz_cpu_mask = CPU_MASK_NONE;
  */
 int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
 {
+	struct migration_req req;
 	unsigned long flags;
-	migration_req_t req;
-	runqueue_t *rq;
+	struct rq *rq;
 	int ret = 0;
 
 	rq = task_rq_lock(p, &flags);
@@ -4850,7 +4849,7 @@ EXPORT_SYMBOL_GPL(set_cpus_allowed);
  */
 static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu)
 {
-	runqueue_t *rq_dest, *rq_src;
+	struct rq *rq_dest, *rq_src;
 	int ret = 0;
 
 	if (unlikely(cpu_is_offline(dest_cpu)))
@@ -4896,15 +4895,15 @@ out:
 static int migration_thread(void *data)
 {
 	int cpu = (long)data;
-	runqueue_t *rq;
+	struct rq *rq;
 
 	rq = cpu_rq(cpu);
 	BUG_ON(rq->migration_thread != current);
 
 	set_current_state(TASK_INTERRUPTIBLE);
 	while (!kthread_should_stop()) {
+		struct migration_req *req;
 		struct list_head *head;
-		migration_req_t *req;
 
 		try_to_freeze();
 
@@ -4928,7 +4927,7 @@ static int migration_thread(void *data)
 			set_current_state(TASK_INTERRUPTIBLE);
 			continue;
 		}
-		req = list_entry(head->next, migration_req_t, list);
+		req = list_entry(head->next, struct migration_req, list);
 		list_del_init(head->next);
 
 		spin_unlock(&rq->lock);
@@ -4955,10 +4954,10 @@ wait_to_die:
 /* Figure out where task on dead CPU should go, use force if neccessary. */
 static void move_task_off_dead_cpu(int dead_cpu, struct task_struct *p)
 {
-	runqueue_t *rq;
 	unsigned long flags;
-	int dest_cpu;
 	cpumask_t mask;
+	struct rq *rq;
+	int dest_cpu;
 
 restart:
 	/* On same node? */
@@ -4998,9 +4997,9 @@ restart:
  * their home CPUs. So we just add the counter to another CPU's counter,
  * to keep the global sum constant after CPU-down:
  */
-static void migrate_nr_uninterruptible(runqueue_t *rq_src)
+static void migrate_nr_uninterruptible(struct rq *rq_src)
 {
-	runqueue_t *rq_dest = cpu_rq(any_online_cpu(CPU_MASK_ALL));
+	struct rq *rq_dest = cpu_rq(any_online_cpu(CPU_MASK_ALL));
 	unsigned long flags;
 
 	local_irq_save(flags);
@@ -5036,7 +5035,7 @@ static void migrate_live_tasks(int src_cpu)
 void sched_idle_next(void)
 {
 	int this_cpu = smp_processor_id();
-	runqueue_t *rq = cpu_rq(this_cpu);
+	struct rq *rq = cpu_rq(this_cpu);
 	struct task_struct *p = rq->idle;
 	unsigned long flags;
 
@@ -5074,7 +5073,7 @@ void idle_task_exit(void)
 
 static void migrate_dead(unsigned int dead_cpu, struct task_struct *p)
 {
-	struct runqueue *rq = cpu_rq(dead_cpu);
+	struct rq *rq = cpu_rq(dead_cpu);
 
 	/* Must be exiting, otherwise would be on tasklist. */
 	BUG_ON(p->exit_state != EXIT_ZOMBIE && p->exit_state != EXIT_DEAD);
@@ -5099,7 +5098,7 @@ static void migrate_dead(unsigned int dead_cpu, struct task_struct *p)
 /* release_task() removes task from tasklist, so we won't find dead tasks. */
 static void migrate_dead_tasks(unsigned int dead_cpu)
 {
-	struct runqueue *rq = cpu_rq(dead_cpu);
+	struct rq *rq = cpu_rq(dead_cpu);
 	unsigned int arr, i;
 
 	for (arr = 0; arr < 2; arr++) {
@@ -5123,8 +5122,8 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu)
 {
 	struct task_struct *p;
 	int cpu = (long)hcpu;
-	struct runqueue *rq;
 	unsigned long flags;
+	struct rq *rq;
 
 	switch (action) {
 	case CPU_UP_PREPARE:
@@ -5176,9 +5175,10 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu)
 		 * the requestors. */
 		spin_lock_irq(&rq->lock);
 		while (!list_empty(&rq->migration_queue)) {
-			migration_req_t *req;
+			struct migration_req *req;
+
 			req = list_entry(rq->migration_queue.next,
-					 migration_req_t, list);
+					 struct migration_req, list);
 			list_del_init(&req->list);
 			complete(&req->done);
 		}
@@ -5361,7 +5361,7 @@ sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent)
  */
 static void cpu_attach_domain(struct sched_domain *sd, int cpu)
 {
-	runqueue_t *rq = cpu_rq(cpu);
+	struct rq *rq = cpu_rq(cpu);
 	struct sched_domain *tmp;
 
 	/* Remove the sched domains which do not contribute to scheduling. */
@@ -6690,8 +6690,8 @@ void __init sched_init(void)
 	int i, j, k;
 
 	for_each_possible_cpu(i) {
-		prio_array_t *array;
-		runqueue_t *rq;
+		struct prio_array *array;
+		struct rq *rq;
 
 		rq = cpu_rq(i);
 		spin_lock_init(&rq->lock);
@@ -6764,10 +6764,10 @@ EXPORT_SYMBOL(__might_sleep);
 #ifdef CONFIG_MAGIC_SYSRQ
 void normalize_rt_tasks(void)
 {
+	struct prio_array *array;
 	struct task_struct *p;
-	prio_array_t *array;
 	unsigned long flags;
-	runqueue_t *rq;
+	struct rq *rq;
 
 	read_lock_irq(&tasklist_lock);
 	for_each_process(p) {