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-rw-r--r--kernel/sched/core.c4
-rw-r--r--kernel/sched/debug.c2
-rw-r--r--kernel/sched/fair.c10
-rw-r--r--kernel/sched/sched.h5
4 files changed, 13 insertions, 8 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 02a20ef196a6..5afb868f7339 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -697,7 +697,7 @@ static void set_load_weight(struct task_struct *p, bool update_load)
/*
* SCHED_IDLE tasks get minimal weight:
*/
- if (idle_policy(p->policy)) {
+ if (task_has_idle_policy(p)) {
load->weight = scale_load(WEIGHT_IDLEPRIO);
load->inv_weight = WMULT_IDLEPRIO;
p->se.runnable_weight = load->weight;
@@ -4199,7 +4199,7 @@ recheck:
* Treat SCHED_IDLE as nice 20. Only allow a switch to
* SCHED_NORMAL if the RLIMIT_NICE would normally permit it.
*/
- if (idle_policy(p->policy) && !idle_policy(policy)) {
+ if (task_has_idle_policy(p) && !idle_policy(policy)) {
if (!can_nice(p, task_nice(p)))
return -EPERM;
}
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 6383aa6a60ca..02bd5f969b21 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -974,7 +974,7 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns,
#endif
P(policy);
P(prio);
- if (p->policy == SCHED_DEADLINE) {
+ if (task_has_dl_policy(p)) {
P(dl.runtime);
P(dl.deadline);
}
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 2cac9a469df4..d1f91e6efe51 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6529,7 +6529,7 @@ wakeup_preempt_entity(struct sched_entity *curr, struct sched_entity *se)
static void set_last_buddy(struct sched_entity *se)
{
- if (entity_is_task(se) && unlikely(task_of(se)->policy == SCHED_IDLE))
+ if (entity_is_task(se) && unlikely(task_has_idle_policy(task_of(se))))
return;
for_each_sched_entity(se) {
@@ -6541,7 +6541,7 @@ static void set_last_buddy(struct sched_entity *se)
static void set_next_buddy(struct sched_entity *se)
{
- if (entity_is_task(se) && unlikely(task_of(se)->policy == SCHED_IDLE))
+ if (entity_is_task(se) && unlikely(task_has_idle_policy(task_of(se))))
return;
for_each_sched_entity(se) {
@@ -6599,8 +6599,8 @@ static void check_preempt_wakeup(struct rq *rq, struct task_struct *p, int wake_
return;
/* Idle tasks are by definition preempted by non-idle tasks. */
- if (unlikely(curr->policy == SCHED_IDLE) &&
- likely(p->policy != SCHED_IDLE))
+ if (unlikely(task_has_idle_policy(curr)) &&
+ likely(!task_has_idle_policy(p)))
goto preempt;
/*
@@ -7021,7 +7021,7 @@ static int task_hot(struct task_struct *p, struct lb_env *env)
if (p->sched_class != &fair_sched_class)
return 0;
- if (unlikely(p->policy == SCHED_IDLE))
+ if (unlikely(task_has_idle_policy(p)))
return 0;
/*
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 618577fc9aa8..b7a3147874e3 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -176,6 +176,11 @@ static inline bool valid_policy(int policy)
rt_policy(policy) || dl_policy(policy);
}
+static inline int task_has_idle_policy(struct task_struct *p)
+{
+ return idle_policy(p->policy);
+}
+
static inline int task_has_rt_policy(struct task_struct *p)
{
return rt_policy(p->policy);
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