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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-21 22:22:10 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-21 22:22:10 +0200 |
| commit | 1ce1e41c1b61a992077bd1c45c6c3fd6a8b10c02 (patch) | |
| tree | 33d958f957e77c93612b027deb91f2e81b08d372 /kernel | |
| parent | Merge branch 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/ker... (diff) | |
| parent | sched: Fix nohz balance kick (diff) | |
| download | linux-1ce1e41c1b61a992077bd1c45c6c3fd6a8b10c02.tar.xz linux-1ce1e41c1b61a992077bd1c45c6c3fd6a8b10c02.zip | |
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Fix nohz balance kick
sched: Fix user time incorrectly accounted as system time on 32-bit
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 8 | ||||
| -rw-r--r-- | kernel/sched_fair.c | 2 |
2 files changed, 5 insertions, 5 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index ed09d4f2a69c..dc85ceb90832 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -3513,9 +3513,9 @@ void task_times(struct task_struct *p, cputime_t *ut, cputime_t *st) rtime = nsecs_to_cputime(p->se.sum_exec_runtime); if (total) { - u64 temp; + u64 temp = rtime; - temp = (u64)(rtime * utime); + temp *= utime; do_div(temp, total); utime = (cputime_t)temp; } else @@ -3546,9 +3546,9 @@ void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *st) rtime = nsecs_to_cputime(cputime.sum_exec_runtime); if (total) { - u64 temp; + u64 temp = rtime; - temp = (u64)(rtime * cputime.utime); + temp *= cputime.utime; do_div(temp, total); utime = (cputime_t)temp; } else diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index a171138a9402..db3f674ca49d 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -3630,7 +3630,7 @@ static inline int nohz_kick_needed(struct rq *rq, int cpu) if (time_before(now, nohz.next_balance)) return 0; - if (!rq->nr_running) + if (rq->idle_at_tick) return 0; first_pick_cpu = atomic_read(&nohz.first_pick_cpu); |