diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/fork.c | 2 | ||||
| -rw-r--r-- | kernel/sched.c | 16 |
2 files changed, 8 insertions, 10 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 166b8c49257c..ad7cb6d1193c 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1066,8 +1066,10 @@ static struct task_struct *copy_process(unsigned long clone_flags, p->gtime = cputime_zero; p->utimescaled = cputime_zero; p->stimescaled = cputime_zero; +#ifndef CONFIG_VIRT_CPU_ACCOUNTING p->prev_utime = cputime_zero; p->prev_stime = cputime_zero; +#endif p->default_timer_slack_ns = current->timer_slack_ns; diff --git a/kernel/sched.c b/kernel/sched.c index 4883fee99314..17e2c1db2bde 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5184,10 +5184,8 @@ void account_idle_ticks(unsigned long ticks) #ifdef CONFIG_VIRT_CPU_ACCOUNTING void task_times(struct task_struct *p, cputime_t *ut, cputime_t *st) { - if (ut) - *ut = p->utime; - if (st) - *st = p->stime; + *ut = p->utime; + *st = p->stime; } #else @@ -5197,7 +5195,7 @@ void task_times(struct task_struct *p, cputime_t *ut, cputime_t *st) void task_times(struct task_struct *p, cputime_t *ut, cputime_t *st) { - cputime_t rtime, utime = p->utime, total = utime + p->stime; + cputime_t rtime, utime = p->utime, total = cputime_add(utime, p->stime); /* * Use CFS's precise accounting: @@ -5217,12 +5215,10 @@ void task_times(struct task_struct *p, cputime_t *ut, cputime_t *st) * Compare with previous values, to keep monotonicity: */ p->prev_utime = max(p->prev_utime, utime); - p->prev_stime = max(p->prev_stime, rtime - p->prev_utime); + p->prev_stime = max(p->prev_stime, cputime_sub(rtime, p->prev_utime)); - if (ut) - *ut = p->prev_utime; - if (st) - *st = p->prev_stime; + *ut = p->prev_utime; + *st = p->prev_stime; } #endif |