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-rw-r--r--kernel/sched/fair.c30
1 files changed, 6 insertions, 24 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 01856a8..391eaf2 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4285,7 +4285,6 @@ static int wake_affine(struct sched_domain *sd, struct task_struct *p, int sync)
{
s64 this_load, load;
int idx, this_cpu, prev_cpu;
- unsigned long tl_per_task;
struct task_group *tg;
unsigned long weight;
int balanced;
@@ -4343,32 +4342,15 @@ static int wake_affine(struct sched_domain *sd, struct task_struct *p, int sync)
balanced = this_eff_load <= prev_eff_load;
} else
balanced = true;
-
- /*
- * If the currently running task will sleep within
- * a reasonable amount of time then attract this newly
- * woken task:
- */
- if (sync && balanced)
- return 1;
-
schedstat_inc(p, se.statistics.nr_wakeups_affine_attempts);
- tl_per_task = cpu_avg_load_per_task(this_cpu);
- if (balanced ||
- (this_load <= load &&
- this_load + target_load(prev_cpu, idx) <= tl_per_task)) {
- /*
- * This domain has SD_WAKE_AFFINE and
- * p is cache cold in this domain, and
- * there is no bad imbalance.
- */
- schedstat_inc(sd, ttwu_move_affine);
- schedstat_inc(p, se.statistics.nr_wakeups_affine);
+ if (!balanced)
+ return 0;
- return 1;
- }
- return 0;
+ schedstat_inc(sd, ttwu_move_affine);
+ schedstat_inc(p, se.statistics.nr_wakeups_affine);
+
+ return 1;
}
/*
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