diff options
Diffstat (limited to 'kernel/sched/sched.h')
| -rw-r--r-- | kernel/sched/sched.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index df023db7721c..83eb5390f753 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -2,6 +2,7 @@ #include <linux/sched.h> #include <linux/sched/sysctl.h> #include <linux/sched/rt.h> +#include <linux/sched/deadline.h> #include <linux/mutex.h> #include <linux/spinlock.h> #include <linux/stop_machine.h> @@ -91,11 +92,21 @@ static inline int rt_policy(int policy) return policy == SCHED_FIFO || policy == SCHED_RR; } +static inline int dl_policy(int policy) +{ + return policy == SCHED_DEADLINE; +} + static inline int task_has_rt_policy(struct task_struct *p) { return rt_policy(p->policy); } +static inline int task_has_dl_policy(struct task_struct *p) +{ + return dl_policy(p->policy); +} + /* * This is the priority-queue data structure of the RT scheduling class: */ @@ -367,6 +378,15 @@ struct rt_rq { #endif }; +/* Deadline class' related fields in a runqueue */ +struct dl_rq { + /* runqueue is an rbtree, ordered by deadline */ + struct rb_root rb_root; + struct rb_node *rb_leftmost; + + unsigned long dl_nr_running; +}; + #ifdef CONFIG_SMP /* @@ -435,6 +455,7 @@ struct rq { struct cfs_rq cfs; struct rt_rq rt; + struct dl_rq dl; #ifdef CONFIG_FAIR_GROUP_SCHED /* list of leaf cfs_rq on this cpu: */ @@ -991,6 +1012,7 @@ static const u32 prio_to_wmult[40] = { #else #define ENQUEUE_WAKING 0 #endif +#define ENQUEUE_REPLENISH 8 #define DEQUEUE_SLEEP 1 @@ -1046,6 +1068,7 @@ struct sched_class { for (class = sched_class_highest; class; class = class->next) extern const struct sched_class stop_sched_class; +extern const struct sched_class dl_sched_class; extern const struct sched_class rt_sched_class; extern const struct sched_class fair_sched_class; extern const struct sched_class idle_sched_class; @@ -1081,6 +1104,8 @@ extern void resched_cpu(int cpu); extern struct rt_bandwidth def_rt_bandwidth; extern void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime); +extern void init_dl_task_timer(struct sched_dl_entity *dl_se); + extern void update_idle_cpu_load(struct rq *this_rq); extern void init_task_runnable_average(struct task_struct *p); @@ -1357,6 +1382,7 @@ extern void print_rt_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 cfs_bandwidth_usage_inc(void); extern void cfs_bandwidth_usage_dec(void); |