Revert "sctp: fix call to SCTP_CMD_PROCESS_SACK in sctp_cmd_interpreter()"
[pandora-kernel.git] / kernel / sched_fair.c
index 8a39fa3..c261da7 100644 (file)
@@ -4735,7 +4735,7 @@ static void nohz_idle_balance(int this_cpu, enum cpu_idle_type idle)
 
                raw_spin_lock_irq(&this_rq->lock);
                update_rq_clock(this_rq);
-               update_cpu_load(this_rq);
+               update_idle_cpu_load(this_rq);
                raw_spin_unlock_irq(&this_rq->lock);
 
                rebalance_domains(balance_cpu, CPU_IDLE);
@@ -4890,11 +4890,15 @@ static void task_fork_fair(struct task_struct *p)
 
        update_rq_clock(rq);
 
-       if (unlikely(task_cpu(p) != this_cpu)) {
-               rcu_read_lock();
-               __set_task_cpu(p, this_cpu);
-               rcu_read_unlock();
-       }
+       /*
+        * Not only the cpu but also the task_group of the parent might have
+        * been changed after parent->se.parent,cfs_rq were copied to
+        * child->se.parent,cfs_rq. So call __set_task_cpu() to make those
+        * of child point to valid ones.
+        */
+       rcu_read_lock();
+       __set_task_cpu(p, this_cpu);
+       rcu_read_unlock();
 
        update_curr(cfs_rq);
 
@@ -5033,7 +5037,7 @@ static unsigned int get_rr_interval_fair(struct rq *rq, struct task_struct *task
         * idle runqueue:
         */
        if (rq->cfs.load.weight)
-               rr_interval = NS_TO_JIFFIES(sched_slice(&rq->cfs, se));
+               rr_interval = NS_TO_JIFFIES(sched_slice(cfs_rq_of(se), se));
 
        return rr_interval;
 }