sched: Adjust cpu range in load balance dynamicly

hulk inclusion
category: feature
bugzilla: 187173, https://gitee.com/openeuler/kernel/issues/I5G4IH
CVE: NA

--------------------------------
Signed-off-by: NHui Tang <tanghui20@huawei.com>
Reviewed-by: NChen Hui <judy.chenhui@huawei.com>
Reviewed-by: NZhang Qiao <zhangqiao22@huawei.com>
Signed-off-by: NYongqiang Liu <liuyongqiang13@huawei.com>

kernel/sched/fair.c

@@ -7789,7 +7789,12 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env)
 	if (throttled_lb_pair(task_group(p), env->src_cpu, env->dst_cpu))
 		return 0;
 
+#ifdef CONFIG_QOS_SCHED_DYNAMIC_AFFINITY
+	set_task_select_cpus(p, NULL, 0);
+	if (!cpumask_test_cpu(env->dst_cpu, p->select_cpus)) {
+#else
 	if (!cpumask_test_cpu(env->dst_cpu, &p->cpus_allowed)) {
+#endif
 		int cpu;
 
 		schedstat_inc(p->se.statistics.nr_failed_migrations_affine);
@@ -7809,7 +7814,11 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env)
 
 		/* Prevent to re-select dst_cpu via env's CPUs: */
 		for_each_cpu_and(cpu, env->dst_grpmask, env->cpus) {
+#ifdef CONFIG_QOS_SCHED_DYNAMIC_AFFINITY
+			if (cpumask_test_cpu(cpu, p->select_cpus)) {
+#else
 			if (cpumask_test_cpu(cpu, &p->cpus_allowed)) {
+#endif
 				env->flags |= LBF_DST_PINNED;
 				env->new_dst_cpu = cpu;
 				break;