* save ~300 bytes
* activate_idle_task() was moved to avoid a warning
bloat-o-meter output:
add/remove: 6/0 grow/shrink: 0/16 up/down: 438/-733 (-295) <===
function old new delta
__enqueue_entity - 165 +165
finish_task_switch - 110 +110
update_curr_rt - 79 +79
__load_balance_iterator - 32 +32
__task_rq_unlock - 28 +28
find_process_by_pid - 24 +24
do_sched_setscheduler 133 123 -10
sys_sched_rr_get_interval 176 165 -11
sys_sched_getparam 156 145 -11
normalize_rt_tasks 482 470 -12
sched_getaffinity 112 99 -13
sys_sched_getscheduler 86 72 -14
sched_setaffinity 226 212 -14
sched_setscheduler 666 642 -24
load_balance_start_fair 33 9 -24
load_balance_next_fair 33 9 -24
dequeue_task_rt 133 67 -66
put_prev_task_rt 97 28 -69
schedule_tail 133 50 -83
schedule 682 594 -88
enqueue_entity 499 366 -133
task_new_fair 317 180 -137
Signed-off-by: Alexey Dobriyan <[email protected]>
---
kernel/sched.c | 46 +++++++++++++++++++++++-----------------------
kernel/sched_fair.c | 8 +++-----
kernel/sched_rt.c | 2 +-
3 files changed, 27 insertions(+), 29 deletions(-)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -529,7 +529,7 @@ repeat_lock_task:
return rq;
}
-static inline void __task_rq_unlock(struct rq *rq)
+static void __task_rq_unlock(struct rq *rq)
__releases(rq->lock)
{
spin_unlock(&rq->lock);
@@ -544,7 +544,7 @@ static inline void task_rq_unlock(struct rq *rq, unsigned long *flags)
/*
* this_rq_lock - lock this runqueue and disable interrupts.
*/
-static inline struct rq *this_rq_lock(void)
+static struct rq *this_rq_lock(void)
__acquires(rq->lock)
{
struct rq *rq;
@@ -951,20 +951,6 @@ static void activate_task(struct rq *rq, struct task_struct *p, int wakeup)
}
/*
- * activate_idle_task - move idle task to the _front_ of runqueue.
- */
-static inline void activate_idle_task(struct task_struct *p, struct rq *rq)
-{
- update_rq_clock(rq);
-
- if (p->state == TASK_UNINTERRUPTIBLE)
- rq->nr_uninterruptible--;
-
- enqueue_task(rq, p, 0);
- inc_nr_running(p, rq);
-}
-
-/*
* deactivate_task - remove a task from the runqueue.
*/
static void deactivate_task(struct rq *rq, struct task_struct *p, int sleep)
@@ -1173,7 +1159,7 @@ void kick_process(struct task_struct *p)
* We want to under-estimate the load of migration sources, to
* balance conservatively.
*/
-static inline unsigned long source_load(int cpu, int type)
+static unsigned long source_load(int cpu, int type)
{
struct rq *rq = cpu_rq(cpu);
unsigned long total = weighted_cpuload(cpu);
@@ -1188,7 +1174,7 @@ static inline unsigned long source_load(int cpu, int type)
* Return a high guess at the load of a migration-target cpu weighted
* according to the scheduling class and "nice" value.
*/
-static inline unsigned long target_load(int cpu, int type)
+static unsigned long target_load(int cpu, int type)
{
struct rq *rq = cpu_rq(cpu);
unsigned long total = weighted_cpuload(cpu);
@@ -1799,7 +1785,7 @@ prepare_task_switch(struct rq *rq, struct task_struct *prev,
* with the lock held can cause deadlocks; see schedule() for
* details.)
*/
-static inline void finish_task_switch(struct rq *rq, struct task_struct *prev)
+static void finish_task_switch(struct rq *rq, struct task_struct *prev)
__releases(rq->lock)
{
struct mm_struct *mm = rq->prev_mm;
@@ -3032,7 +3018,7 @@ static DEFINE_SPINLOCK(balancing);
*
* Balancing parameters are set up in arch_init_sched_domains.
*/
-static inline void rebalance_domains(int cpu, enum cpu_idle_type idle)
+static void rebalance_domains(int cpu, enum cpu_idle_type idle)
{
int balance = 1;
struct rq *rq = cpu_rq(cpu);
@@ -4137,7 +4123,7 @@ struct task_struct *idle_task(int cpu)
* find_process_by_pid - find a process with a matching PID value.
* @pid: the pid in question.
*/
-static inline struct task_struct *find_process_by_pid(pid_t pid)
+static struct task_struct *find_process_by_pid(pid_t pid)
{
return pid ? find_task_by_pid(pid) : current;
}
@@ -4908,7 +4894,7 @@ cpumask_t nohz_cpu_mask = CPU_MASK_NONE;
*
* This idea comes from the SD scheduler of Con Kolivas:
*/
-static inline void sched_init_granularity(void)
+static void sched_init_granularity(void)
{
unsigned int factor = 1 + ilog2(num_online_cpus());
const unsigned long limit = 100000000;
@@ -5172,6 +5158,20 @@ static void migrate_live_tasks(int src_cpu)
}
/*
+ * activate_idle_task - move idle task to the _front_ of runqueue.
+ */
+static void activate_idle_task(struct task_struct *p, struct rq *rq)
+{
+ update_rq_clock(rq);
+
+ if (p->state == TASK_UNINTERRUPTIBLE)
+ rq->nr_uninterruptible--;
+
+ enqueue_task(rq, p, 0);
+ inc_nr_running(p, rq);
+}
+
+/*
* Schedules idle task to be the next runnable task on current CPU.
* It does so by boosting its priority to highest possible and adding it to
* the _front_ of the runqueue. Used by CPU offline code.
@@ -6511,7 +6511,7 @@ int in_sched_functions(unsigned long addr)
&& addr < (unsigned long)__sched_text_end);
}
-static inline void init_cfs_rq(struct cfs_rq *cfs_rq, struct rq *rq)
+static void init_cfs_rq(struct cfs_rq *cfs_rq, struct rq *rq)
{
cfs_rq->tasks_timeline = RB_ROOT;
cfs_rq->fair_clock = 1;
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -163,8 +163,7 @@ static inline struct task_struct *task_of(struct sched_entity *se)
/*
* Enqueue an entity into the rb-tree:
*/
-static inline void
-__enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
+static void __enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
{
struct rb_node **link = &cfs_rq->tasks_timeline.rb_node;
struct rb_node *parent = NULL;
@@ -716,8 +715,7 @@ __check_preempt_curr_fair(struct cfs_rq *cfs_rq, struct sched_entity *se,
resched_task(rq_of(cfs_rq)->curr);
}
-static inline void
-set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
+static void set_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *se)
{
/*
* Any task has to be enqueued before it get to execute on
@@ -1031,7 +1029,7 @@ static void put_prev_task_fair(struct rq *rq, struct task_struct *prev)
* achieve that by always pre-iterating before returning
* the current task:
*/
-static inline struct task_struct *
+static struct task_struct *
__load_balance_iterator(struct cfs_rq *cfs_rq, struct rb_node *curr)
{
struct task_struct *p;
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -7,7 +7,7 @@
* Update the current task's runtime statistics. Skip current tasks that
* are not in our scheduling class.
*/
-static inline void update_curr_rt(struct rq *rq)
+static void update_curr_rt(struct rq *rq)
{
struct task_struct *curr = rq->curr;
u64 delta_exec;
-
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