sched/fair: Fix compile errors when WALT is disabled

Change-Id: I65d0d1ae7b633969a88e20a39750fff6279db460
Signed-off-by: Danny Lin <danny@kdrag0n.dev>
Signed-off-by: Alexander Winkowski <dereference23@outlook.com>

kernel/sched/fair.c

@@ -5968,7 +5968,10 @@ static unsigned long cpu_util_without(int cpu, struct task_struct *p)
 #ifdef CONFIG_SCHED_WALT
 	util = max_t(long, cpu_util(cpu) - task_util(p), 0);
 #else
+
+#ifndef CONFIG_SCHED_WALT
 	struct cfs_rq *cfs_rq;
+#endif
 
 	cfs_rq = &cpu_rq(cpu)->cfs;
 	util = READ_ONCE(cfs_rq->avg.util_avg);
@@ -7795,7 +7798,9 @@ static inline int find_best_target(struct task_struct *p, int *backup_cpu,
 		if (!prefer_idle && !boosted &&
 			(target_cpu != -1 || best_idle_cpu != -1) &&
 			(fbt_env->placement_boost == SCHED_BOOST_NONE ||
+#ifdef CONFIG_SCHED_WALT
 			sched_boost() != FULL_THROTTLE_BOOST ||
+#endif
 			(fbt_env->placement_boost == SCHED_BOOST_ON_BIG &&
 				!next_group_higher_cap)))
 			break;
@@ -9430,9 +9435,11 @@ redo:
 
 		continue;
 next:
+#ifdef CONFIG_SCHED_WALT
 		trace_sched_load_balance_skip_tasks(env->src_cpu, env->dst_cpu,
 				env->src_grp_type, p->pid, load, task_util(p),
 				cpumask_bits(&p->cpus_allowed)[0]);
+#endif
 		list_move_tail(&p->se.group_node, tasks);
 	}