sched/core: Remove unused argument from init_[rt|dl]_rq()

[linux-2.6-block.git] / kernel / sched / sched.h

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index dc0f435a27794657258623ac8a7f53f7326ff7ac..e0e1299939588ac47f08b13b45f1a6e2e9cf4d7f 100644 (file)
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -6,6 +6,7 @@
 #include <linux/mutex.h>
 #include <linux/spinlock.h>
 #include <linux/stop_machine.h>
+#include <linux/irq_work.h>
 #include <linux/tick.h>
 #include <linux/slab.h>
 
@@ -362,8 +363,14 @@ struct cfs_rq {
         * Under CFS, load is tracked on a per-entity basis and aggregated up.
         * This allows for the description of both thread and group usage (in
         * the FAIR_GROUP_SCHED case).
+        * runnable_load_avg is the sum of the load_avg_contrib of the
+        * sched_entities on the rq.
+        * blocked_load_avg is similar to runnable_load_avg except that its
+        * the blocked sched_entities on the rq.
+        * utilization_load_avg is the sum of the average running time of the
+        * sched_entities on the rq.
         */
-       unsigned long runnable_load_avg, blocked_load_avg;
+       unsigned long runnable_load_avg, blocked_load_avg, utilization_load_avg;
        atomic64_t decay_counter;
        u64 last_decay;
        atomic_long_t removed_load;
@@ -418,6 +425,11 @@ static inline int rt_bandwidth_enabled(void)
        return sysctl_sched_rt_runtime >= 0;
 }
 
+/* RT IPI pull logic requires IRQ_WORK */
+#ifdef CONFIG_IRQ_WORK
+# define HAVE_RT_PUSH_IPI
+#endif
+
 /* Real-Time classes' related field in a runqueue: */
 struct rt_rq {
        struct rt_prio_array active;
@@ -435,7 +447,13 @@ struct rt_rq {
        unsigned long rt_nr_total;
        int overloaded;
        struct plist_head pushable_tasks;
+#ifdef HAVE_RT_PUSH_IPI
+       int push_flags;
+       int push_cpu;
+       struct irq_work push_work;
+       raw_spinlock_t push_lock;
 #endif
+#endif /* CONFIG_SMP */
        int rt_queued;
 
        int rt_throttled;
@@ -597,6 +615,7 @@ struct rq {
        struct sched_domain *sd;
 
        unsigned long cpu_capacity;
+       unsigned long cpu_capacity_orig;
 
        unsigned char idle_balance;
        /* For active balancing */
@@ -807,7 +826,7 @@ struct sched_group_capacity {
         * CPU capacity of this group, SCHED_LOAD_SCALE being max capacity
         * for a single CPU.
         */
-       unsigned int capacity, capacity_orig;
+       unsigned int capacity;
        unsigned long next_update;
        int imbalance; /* XXX unrelated to capacity but shared group state */
        /*
@@ -1368,9 +1387,18 @@ static inline int hrtick_enabled(struct rq *rq)
 
 #ifdef CONFIG_SMP
 extern void sched_avg_update(struct rq *rq);
+
+#ifndef arch_scale_freq_capacity
+static __always_inline
+unsigned long arch_scale_freq_capacity(struct sched_domain *sd, int cpu)
+{
+       return SCHED_CAPACITY_SCALE;
+}
+#endif
+
 static inline void sched_rt_avg_update(struct rq *rq, u64 rt_delta)
 {
-       rq->rt_avg += rt_delta;
+       rq->rt_avg += rt_delta * arch_scale_freq_capacity(NULL, cpu_of(rq));
        sched_avg_update(rq);
 }
 #else
@@ -1643,8 +1671,8 @@ extern void print_rt_stats(struct seq_file *m, int cpu);
 extern void print_dl_stats(struct seq_file *m, int cpu);
 
 extern void init_cfs_rq(struct cfs_rq *cfs_rq);
-extern void init_rt_rq(struct rt_rq *rt_rq, struct rq *rq);
-extern void init_dl_rq(struct dl_rq *dl_rq, struct rq *rq);
+extern void init_rt_rq(struct rt_rq *rt_rq);
+extern void init_dl_rq(struct dl_rq *dl_rq);
 
 extern void cfs_bandwidth_usage_inc(void);
 extern void cfs_bandwidth_usage_dec(void);