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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2008-01-25 21:08:27 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-25 21:08:27 +0100
commitfa717060f1ab7eb6570f2fb49136f838fc9195a9 (patch)
tree0338460dae3116563645e3bfa1ff5100d39826f8 /kernel
parentuids: merge multiple error paths in alloc_uid() into one (diff)
downloadlinux-dev-fa717060f1ab7eb6570f2fb49136f838fc9195a9.tar.xz
linux-dev-fa717060f1ab7eb6570f2fb49136f838fc9195a9.zip
sched: sched_rt_entity
Move the task_struct members specific to rt scheduling together. A future optimization could be to put sched_entity and sched_rt_entity into a union. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> CC: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched.c2
-rw-r--r--kernel/sched_rt.c20
2 files changed, 11 insertions, 11 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 02d468844a91..c2cedd09d895 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1685,7 +1685,7 @@ static void __sched_fork(struct task_struct *p)
p->se.wait_max = 0;
#endif
- INIT_LIST_HEAD(&p->run_list);
+ INIT_LIST_HEAD(&p->rt.run_list);
p->se.on_rq = 0;
#ifdef CONFIG_PREEMPT_NOTIFIERS
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 9affb3c9d3db..29963af782ae 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -111,7 +111,7 @@ static void enqueue_task_rt(struct rq *rq, struct task_struct *p, int wakeup)
{
struct rt_prio_array *array = &rq->rt.active;
- list_add_tail(&p->run_list, array->queue + p->prio);
+ list_add_tail(&p->rt.run_list, array->queue + p->prio);
__set_bit(p->prio, array->bitmap);
inc_cpu_load(rq, p->se.load.weight);
@@ -127,7 +127,7 @@ static void dequeue_task_rt(struct rq *rq, struct task_struct *p, int sleep)
update_curr_rt(rq);
- list_del(&p->run_list);
+ list_del(&p->rt.run_list);
if (list_empty(array->queue + p->prio))
__clear_bit(p->prio, array->bitmap);
dec_cpu_load(rq, p->se.load.weight);
@@ -143,7 +143,7 @@ static void requeue_task_rt(struct rq *rq, struct task_struct *p)
{
struct rt_prio_array *array = &rq->rt.active;
- list_move_tail(&p->run_list, array->queue + p->prio);
+ list_move_tail(&p->rt.run_list, array->queue + p->prio);
}
static void
@@ -212,7 +212,7 @@ static struct task_struct *pick_next_task_rt(struct rq *rq)
return NULL;
queue = array->queue + idx;
- next = list_entry(queue->next, struct task_struct, run_list);
+ next = list_entry(queue->next, struct task_struct, rt.run_list);
next->se.exec_start = rq->clock;
@@ -261,14 +261,14 @@ static struct task_struct *pick_next_highest_task_rt(struct rq *rq, int cpu)
queue = array->queue + idx;
BUG_ON(list_empty(queue));
- next = list_entry(queue->next, struct task_struct, run_list);
+ next = list_entry(queue->next, struct task_struct, rt.run_list);
if (unlikely(pick_rt_task(rq, next, cpu)))
goto out;
if (queue->next->next != queue) {
/* same prio task */
next = list_entry(queue->next->next, struct task_struct,
- run_list);
+ rt.run_list);
if (pick_rt_task(rq, next, cpu))
goto out;
}
@@ -282,7 +282,7 @@ static struct task_struct *pick_next_highest_task_rt(struct rq *rq, int cpu)
queue = array->queue + idx;
BUG_ON(list_empty(queue));
- list_for_each_entry(next, queue, run_list) {
+ list_for_each_entry(next, queue, rt.run_list) {
if (pick_rt_task(rq, next, cpu))
goto out;
}
@@ -846,16 +846,16 @@ static void task_tick_rt(struct rq *rq, struct task_struct *p)
if (p->policy != SCHED_RR)
return;
- if (--p->time_slice)
+ if (--p->rt.time_slice)
return;
- p->time_slice = DEF_TIMESLICE;
+ p->rt.time_slice = DEF_TIMESLICE;
/*
* Requeue to the end of queue if we are not the only element
* on the queue:
*/
- if (p->run_list.prev != p->run_list.next) {
+ if (p->rt.run_list.prev != p->rt.run_list.next) {
requeue_task_rt(rq, p);
set_tsk_need_resched(p);
}