aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-09-21 13:22:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-09-21 13:22:10 -0700
commit1ce1e41c1b61a992077bd1c45c6c3fd6a8b10c02 (patch)
tree33d958f957e77c93612b027deb91f2e81b08d372
parent87ac6fa26e0e7ea49e1c8030e962effc05e1c5eb (diff)
parentf6c3f1686e7ec1dd8725a9a3dcb857dfd0c7a5bf (diff)
downloadmrst-s0i3-test-1ce1e41c1b61a992077bd1c45c6c3fd6a8b10c02.tar.gz
mrst-s0i3-test-1ce1e41c1b61a992077bd1c45c6c3fd6a8b10c02.tar.xz
mrst-s0i3-test-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
-rw-r--r--kernel/sched.c8
-rw-r--r--kernel/sched_fair.c2
2 files changed, 5 insertions, 5 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index ed09d4f2a69..dc85ceb9083 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 a171138a940..db3f674ca49 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);