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authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-25 13:28:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-25 13:28:45 -0700
commit82dfaa58a79c121be3611ce549dec806f2e6004f (patch)
tree63f5ff1017bab3d3c50ef48761167fb90b9fcf46 /kernel
parentbdc5663fa14de657f24080ee959670d49c8dd094 (diff)
parent7e3115ef5149fc502e3a2e80719dba54a8e7409d (diff)
downloadlinaro-lsk-82dfaa58a79c121be3611ce549dec806f2e6004f.tar.gz
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar: "Three small fixes" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/balancing: Fix cfs_rq->task_h_load calculation sched/balancing: Fix 'local->avg_load > busiest->avg_load' case in fix_small_imbalance() sched/balancing: Fix 'local->avg_load > sds->avg_load' case in calculate_imbalance()
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched/fair.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 11cd1366735..7c70201fbc6 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4242,7 +4242,7 @@ static void update_cfs_rq_h_load(struct cfs_rq *cfs_rq)
}
if (!se) {
- cfs_rq->h_load = rq->avg.load_avg_contrib;
+ cfs_rq->h_load = cfs_rq->runnable_load_avg;
cfs_rq->last_h_load_update = now;
}
@@ -4823,8 +4823,8 @@ void fix_small_imbalance(struct lb_env *env, struct sd_lb_stats *sds)
(busiest->load_per_task * SCHED_POWER_SCALE) /
busiest->group_power;
- if (busiest->avg_load - local->avg_load + scaled_busy_load_per_task >=
- (scaled_busy_load_per_task * imbn)) {
+ if (busiest->avg_load + scaled_busy_load_per_task >=
+ local->avg_load + (scaled_busy_load_per_task * imbn)) {
env->imbalance = busiest->load_per_task;
return;
}
@@ -4896,7 +4896,8 @@ static inline void calculate_imbalance(struct lb_env *env, struct sd_lb_stats *s
* max load less than avg load(as we skip the groups at or below
* its cpu_power, while calculating max_load..)
*/
- if (busiest->avg_load < sds->avg_load) {
+ if (busiest->avg_load <= sds->avg_load ||
+ local->avg_load >= sds->avg_load) {
env->imbalance = 0;
return fix_small_imbalance(env, sds);
}