[PATCH] sched: ->task_new cleanup

make sched_class.task_new == NULL a 'default method', this
allows the removal of task_rt_new.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 8 insertions, 3 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index 7bed2c58b986..915c75e5a276 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1641,22 +1641,27 @@ void fastcall wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
         unsigned long flags;
         struct rq *rq;
         int this_cpu;
+        u64 now;
 
         rq = task_rq_lock(p, &flags);
         BUG_ON(p->state != TASK_RUNNING);
         this_cpu = smp_processor_id(); /* parent's CPU */
+        now = rq_clock(rq);
 
         p->prio = effective_prio(p);
 
-        if (!sysctl_sched_child_runs_first || (clone_flags & CLONE_VM) ||
-                        task_cpu(p) != this_cpu || !current->se.on_rq) {
+        if (!p->sched_class->task_new || !sysctl_sched_child_runs_first ||
+                        (clone_flags & CLONE_VM) || task_cpu(p) != this_cpu ||
+                        !current->se.on_rq) {
+
                 activate_task(rq, p, 0);
         } else {
                 /*
                  * Let the scheduling class do new task startup
                  * management (if any):
                  */
-                p->sched_class->task_new(rq, p);
+                p->sched_class->task_new(rq, p, now);
+                inc_nr_running(p, rq, now);
         }
         check_preempt_curr(rq, p);
         task_rq_unlock(rq, &flags);