1 files changed, 18 insertions, 0 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 68a504f6e474..b161ef8a902e 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -472,11 +472,15 @@ struct sched_dl_entity {
          * has not been executed yet. This flag is useful to avoid race
          * conditions between the inactive timer handler and the wakeup
          * code.
+         *
+         * @dl_overrun tells if the task asked to be informed about runtime
+         * overruns.
          */
         unsigned int                    dl_throttled      : 1;
         unsigned int                    dl_boosted        : 1;
         unsigned int                    dl_yielded        : 1;
         unsigned int                    dl_non_contending : 1;
+        unsigned int                    dl_overrun        : 1;
 
         /*
          * Bandwidth enforcement timer. Each -deadline task has its
@@ -551,6 +555,14 @@ struct task_struct {
         unsigned long                   wakee_flip_decay_ts;
         struct task_struct              *last_wakee;
 
+        /*
+         * recent_used_cpu is initially set as the last CPU used by a task
+         * that wakes affine another task. Waker/wakee relationships can
+         * push tasks around a CPU where each wakeup moves to the next one.
+         * Tracking a recently used CPU allows a quick search for a recently
+         * used CPU that may be idle.
+         */
+        int                             recent_used_cpu;
         int                             wake_cpu;
 #endif
         int                             on_rq;
@@ -1427,6 +1439,7 @@ extern int idle_cpu(int cpu);
 extern int sched_setscheduler(struct task_struct *, int, const struct sched_param *);
 extern int sched_setscheduler_nocheck(struct task_struct *, int, const struct sched_param *);
 extern int sched_setattr(struct task_struct *, const struct sched_attr *);
+extern int sched_setattr_nocheck(struct task_struct *, const struct sched_attr *);
 extern struct task_struct *idle_task(int cpu);
 
 /**
@@ -1484,6 +1497,11 @@ static inline struct thread_info *task_thread_info(struct task_struct *task)
 extern struct task_struct *find_task_by_vpid(pid_t nr);
 extern struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns);
 
+/*
+ * find a task by its virtual pid and get the task struct
+ */
+extern struct task_struct *find_get_task_by_vpid(pid_t nr);
+
 extern int wake_up_state(struct task_struct *tsk, unsigned int state);
 extern int wake_up_process(struct task_struct *tsk);
 extern void wake_up_new_task(struct task_struct *tsk);