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; -- 1.7.5.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/