perfcounters, sched: remove __task_delta_exec()

This function was left orphan by the latest round of sw-counter
cleanups.

[ Impact: remove unused kernel function ]

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 080d1fd461d74946cab9b3b59539c4ca169d17c0..a77c6007dc99a92a636b927c54816ca8d1e8b954 100644 (file)
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -85,7 +85,6 @@ static inline unsigned int kstat_irqs(unsigned int irq)
 /*
  * Lock/unlock the current runqueue - to extract task statistics:
  */
-extern unsigned long long __task_delta_exec(struct task_struct *tsk, int update);
 extern unsigned long long task_delta_exec(struct task_struct *);
 
 extern void account_user_time(struct task_struct *, cputime_t, cputime_t);

diff --git a/kernel/sched.c b/kernel/sched.c
index b66a08c2480ed0a44f9ec7ccb0a65d5961561a7b..a69278eef425eccdb477453e1adbd36aa57257fc 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4546,29 +4546,6 @@ DEFINE_PER_CPU(struct kernel_stat, kstat);
 
 EXPORT_PER_CPU_SYMBOL(kstat);
 
-/*
- * Return any ns on the sched_clock that have not yet been banked in
- * @p in case that task is currently running.
- */
-unsigned long long __task_delta_exec(struct task_struct *p, int update)
-{
-       s64 delta_exec;
-       struct rq *rq;
-
-       rq = task_rq(p);
-       WARN_ON_ONCE(!runqueue_is_locked());
-       WARN_ON_ONCE(!task_current(rq, p));
-
-       if (update)
-               update_rq_clock(rq);
-
-       delta_exec = rq->clock - p->se.exec_start;
-
-       WARN_ON_ONCE(delta_exec < 0);
-
-       return delta_exec;
-}
-
 /*
  * Return any ns on the sched_clock that have not yet been banked in
  * @p in case that task is currently running.