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 <[email protected]>
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 080d1fd..a77c600 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -85,7 +85,6 @@
/*
* 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 b66a08c..a69278e 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4550,29 +4550,6 @@
* 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.
- */
unsigned long long task_delta_exec(struct task_struct *p)
{
unsigned long flags;
