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-rw-r--r--kernel/sched/fair.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index be530e4..74fa2c2 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4284,6 +4284,7 @@ static int wake_wide(struct task_struct *p)
static int wake_affine(struct sched_domain *sd, struct task_struct *p, int sync)
{
s64 this_load, load;
+ s64 this_eff_load, prev_eff_load;
int idx, this_cpu, prev_cpu;
struct task_group *tg;
unsigned long weight;
@@ -4327,21 +4328,21 @@ static int wake_affine(struct sched_domain *sd, struct task_struct *p, int sync)
* Otherwise check if either cpus are near enough in load to allow this
* task to be woken on this_cpu.
*/
- if (this_load > 0) {
- s64 this_eff_load, prev_eff_load;
+ this_eff_load = 100;
+ this_eff_load *= capacity_of(prev_cpu);
+
+ prev_eff_load = 100 + (sd->imbalance_pct - 100) / 2;
+ prev_eff_load *= capacity_of(this_cpu);
- this_eff_load = 100;
- this_eff_load *= capacity_of(prev_cpu);
+ if (this_load > 0) {
this_eff_load *= this_load +
effective_load(tg, this_cpu, weight, weight);
- prev_eff_load = 100 + (sd->imbalance_pct - 100) / 2;
- prev_eff_load *= capacity_of(this_cpu);
prev_eff_load *= load + effective_load(tg, prev_cpu, 0, weight);
+ }
+
+ balanced = this_eff_load <= prev_eff_load;
- balanced = this_eff_load <= prev_eff_load;
- } else
- balanced = true;
schedstat_inc(p, se.statistics.nr_wakeups_affine_attempts);
if (!balanced)
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