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authorAlexey Dobriyan <adobriyan@sw.ru>2007-10-15 17:00:13 +0200
committerIngo Molnar <mingo@elte.hu>2007-10-15 17:00:13 +0200
commita9957449b08ab561a33e1e038df06843b8d8dd9f (patch)
tree066272181b3d563f8029c99c8c5587d04597ffda /kernel/sched.c
parent155bb293ae8387526e6e07d42b1691104e55d9a2 (diff)
downloadlwn-a9957449b08ab561a33e1e038df06843b8d8dd9f.tar.gz
lwn-a9957449b08ab561a33e1e038df06843b8d8dd9f.zip
sched: uninline scheduler
* 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 <adobriyan@sw.ru> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c44
1 files changed, 22 insertions, 22 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 4f13d379bea5..ce9bb7aa7c12 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -608,7 +608,7 @@ 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);
@@ -623,7 +623,7 @@ 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;
@@ -986,20 +986,6 @@ 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)
@@ -1206,7 +1192,7 @@ 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);
@@ -1221,7 +1207,7 @@ 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);
@@ -1813,7 +1799,7 @@ 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;
@@ -3020,7 +3006,7 @@ 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);
@@ -4140,7 +4126,7 @@ 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;
}
@@ -5157,6 +5143,20 @@ 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.
@@ -6494,7 +6494,7 @@ 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;
#ifdef CONFIG_FAIR_GROUP_SCHED