It is impossible to miss a task allowed cpu in a eligible group.
And since find_idlest_group only return a different group which
excludes old cpu, it's also imporissible to find a new cpu same as old
cpu.
Signed-off-by: Alex Shi <alex....@intel.com>
---
kernel/sched/fair.c | 5 -----
1 files changed, 0 insertions(+), 5 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 59e072b..df99456 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3150,11 +3150,6 @@ select_task_rq_fair(struct task_struct *p, int sd_flag,
int wake_flags)
}
new_cpu = find_idlest_cpu(group, p, cpu);
- if (new_cpu == -1 || new_cpu == cpu) {
- /* Now try balancing at a lower domain level of cpu */
- sd = sd->child;
- continue;
- }
/* Now try balancing at a lower domain level of new_cpu */
cpu = new_cpu;
--
1.7.5.4
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