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sched: Make task->real_start_time nanoseconds based

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Simplify the only user of this data by removing the timespec
conversion.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
Thomas Gleixner
2014-07-16 21:04:32 +00:00
committed by John Stultz
parent d560fed6ab
commit 57e0be041d
3 changed files with 3 additions and 9 deletions
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7
fs/proc/array.c
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@@ -473,13 +473,8 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
priority = task_prio(task);
nice = task_nice(task);
/* Temporary variable needed for gcc-2.96 */
/* convert timespec -> nsec*/
start_time =
(unsigned long long)task->real_start_time.tv_sec * NSEC_PER_SEC
+ task->real_start_time.tv_nsec;
/* convert nsec -> ticks */
start_time = nsec_to_clock_t(start_time);
start_time = nsec_to_clock_t(task->real_start_time);
seq_printf(m, "%d (%s) %c", pid_nr_ns(pid, ns), tcomm, state);
seq_put_decimal_ll(m, ' ', ppid);