Converting cputime to timespec and timespec to nanoseconds makes no
sense. Use cputime_to_ns() and be done with it.
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
---
kernel/delayacct.c | 18 +++++++-----------
1 file changed, 7 insertions(+), 11 deletions(-)
Index: tip/kernel/delayacct.c
===================================================================
--- tip.orig/kernel/delayacct.c
+++ tip/kernel/delayacct.c
@@ -82,23 +82,19 @@ void __delayacct_blkio_end(void)
int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
{
- s64 tmp;
- unsigned long t1;
- unsigned long long t2, t3;
- unsigned long flags;
- struct timespec ts;
cputime_t utime, stime, stimescaled, utimescaled;
+ unsigned long long t2, t3;
+ unsigned long flags, t1;
+ s64 tmp;
- tmp = (s64)d->cpu_run_real_total;
task_cputime(tsk, &utime, &stime);
- cputime_to_timespec(utime + stime, &ts);
- tmp += timespec_to_ns(&ts);
+ tmp = (s64)d->cpu_run_real_total;
+ tmp += cputime_to_nsecs(utime + stime);
d->cpu_run_real_total = (tmp < (s64)d->cpu_run_real_total) ? 0 : tmp;
- tmp = (s64)d->cpu_scaled_run_real_total;
task_cputime_scaled(tsk, &utimescaled, &stimescaled);
- cputime_to_timespec(utimescaled + stimescaled, &ts);
- tmp += timespec_to_ns(&ts);
+ tmp = (s64)d->cpu_scaled_run_real_total;
+ tmp += cputime_to_nsecs(utimescaled + stimescaled);
d->cpu_scaled_run_real_total =
(tmp < (s64)d->cpu_scaled_run_real_total) ? 0 : tmp;
--
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