diff options
| author | Ajay Nandakumar <anandakumarm@nvidia.com> | 2013-10-31 07:12:36 +0530 |
|---|---|---|
| committer | Ajay Nandakumar <anandakumarm@nvidia.com> | 2013-10-31 07:12:36 +0530 |
| commit | 639f4bc6c2e711e814f72805d07412f93a9fbd89 (patch) | |
| tree | 5a57a019d16c351d8f4a75eabb43ee4e6d740e57 /kernel/sched/cputime.c | |
| parent | 2611486c29791d083a6a58bb88a23de042d38031 (diff) | |
| parent | 14e9c7db465387ede7f019c42f28c90f99fc2793 (diff) | |
Merge tag 'v3.10.17' into dev-kernel-3.10
This is the 3.10.17 stable release
Conflicts:
drivers/usb/host/xhci.c
Change-Id: I6bd3b15ff92a0b94568b9d02e9bb1036becfca20
Diffstat (limited to 'kernel/sched/cputime.c')
| -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 b5ccba22603b..1101d92635c3 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -558,7 +558,7 @@ static void cputime_adjust(struct task_cputime *curr, struct cputime *prev, cputime_t *ut, cputime_t *st) { - cputime_t rtime, stime, utime, total; + cputime_t rtime, stime, utime; if (vtime_accounting_enabled()) { *ut = curr->utime; @@ -566,9 +566,6 @@ static void cputime_adjust(struct task_cputime *curr, return; } - stime = curr->stime; - total = stime + curr->utime; - /* * Tick based cputime accounting depend on random scheduling * timeslices of a task to be interrupted or not by the timer. @@ -589,13 +586,19 @@ 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; } /* |