diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/cputime.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index ace34f95e200..99947919e30b 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -551,10 +551,7 @@ static void cputime_adjust(struct task_cputime *curr, struct cputime *prev, cputime_t *ut, cputime_t *st) { - cputime_t rtime, stime, utime, total; - - stime = curr->stime; - total = stime + curr->utime; + cputime_t rtime, stime, utime; /* * Tick based cputime accounting depend on random scheduling @@ -576,13 +573,19 @@ static void cputime_adjust(struct task_cputime *curr, if (prev->stime + prev->utime >= rtime) goto out; - if (total) { + stime = curr->stime; + utime = curr->utime; + + if (utime == 0) { + stime = rtime; + } else if (stime == 0) { + utime = rtime; + } else { + cputime_t total = stime + utime; + stime = scale_stime((__force u64)stime, (__force u64)rtime, (__force u64)total); utime = rtime - stime; - } else { - stime = rtime; - utime = 0; } /* |