#include <linux/spinlock.h>
#include <linux/stop_machine.h>
#include <linux/tick.h>
+#include <linux/slab.h>
#include "cpupri.h"
#include "cpuacct.h"
u64 age_stamp;
u64 idle_stamp;
u64 avg_idle;
+
+ /* This is used to determine avg_idle's max value */
+ u64 max_idle_balance_cost;
#endif
#ifdef CONFIG_IRQ_TIME_ACCOUNTING
return rq->clock_task;
}
+#ifdef CONFIG_NUMA_BALANCING
+extern int migrate_task_to(struct task_struct *p, int cpu);
+extern int migrate_swap(struct task_struct *, struct task_struct *);
+extern void task_numa_free(struct task_struct *p);
+#else /* CONFIG_NUMA_BALANCING */
+static inline void task_numa_free(struct task_struct *p)
+{
+}
+#endif /* CONFIG_NUMA_BALANCING */
+
#ifdef CONFIG_SMP
#define rcu_dereference_check_sched_domain(p) \
return hsd;
}
+static inline struct sched_domain *lowest_flag_domain(int cpu, int flag)
+{
+ struct sched_domain *sd;
+
+ for_each_domain(cpu, sd) {
+ if (sd->flags & flag)
+ break;
+ }
+
+ return sd;
+}
+
DECLARE_PER_CPU(struct sched_domain *, sd_llc);
DECLARE_PER_CPU(int, sd_llc_size);
DECLARE_PER_CPU(int, sd_llc_id);
+DECLARE_PER_CPU(struct sched_domain *, sd_numa);
struct sched_group_power {
atomic_t ref;
*/
unsigned int power, power_orig;
unsigned long next_update;
+ int imbalance; /* XXX unrelated to power but shared group state */
/*
* Number of busy cpus in this group.
*/
*/
smp_wmb();
task_thread_info(p)->cpu = cpu;
+ p->wake_cpu = cpu;
#endif
}
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);
+ int (*select_task_rq)(struct task_struct *p, int task_cpu, 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);