Commit-ID: b67802ea8061393f7bd2d4db934646e76096027c
Gitweb: http://git.kernel.org/tip/b67802ea8061393f7bd2d4db934646e76096027c
Author: Wang Chen <wangchen@xxxxxxxxxxxxxx>
AuthorDate: Mon, 2 Mar 2009 13:55:26 +0800
Commit: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Mon, 2 Mar 2009 12:02:53 +0100
sched: kill unused parameter of pick_next_task()
Impact: micro-optimization
Parameter "prev" is not used really.
Signed-off-by: Wang Chen <wangchen@xxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
kernel/sched.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index dfae1bf..9fe8e17 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4603,7 +4603,7 @@ static inline void schedule_debug(struct task_struct *prev)
* Pick up the highest-prio task:
*/
static inline struct task_struct *
-pick_next_task(struct rq *rq, struct task_struct *prev)
+pick_next_task(struct rq *rq)
{
const struct sched_class *class;
struct task_struct *p;
@@ -4678,7 +4678,7 @@ need_resched_nonpreemptible:
idle_balance(cpu, rq);
prev->sched_class->put_prev_task(rq, prev);
- next = pick_next_task(rq, prev);
+ next = pick_next_task(rq);
if (likely(prev != next)) {
sched_info_switch(prev, next);
@@ -6514,7 +6514,7 @@ static void migrate_dead_tasks(unsigned int dead_cpu)
if (!rq->nr_running)
break;
update_rq_clock(rq);
- next = pick_next_task(rq, rq->curr);
+ next = pick_next_task(rq);
if (!next)
break;
next->sched_class->put_prev_task(rq, next);
--
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