diff --git a/mm/percpu.c b/mm/percpu.c
index 2139e30..cbbc946 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1097,7 +1097,12 @@ struct pcpu_alloc_info * __init pcpu_alloc_alloc_info(int nr_groups,
  */
 void __init pcpu_free_alloc_info(struct pcpu_alloc_info *ai)
 {
-	memblock_free_early(__pa(ai), ai->__ai_size);
+	/* This patch is unacceptable, as it broken other arch.
+	* It was created to explain why commit 3189eddbcafc ("percpu:
+	* free percpu allocation info for uniprocessor system") cause
+	* crisv32 panic. PLEASE DO NOT APPLY THIS PATCH.
+	*/
+	memblock_free_early((unsigned long)(ai), ai->__ai_size);
 }
 
 /**
@@ -1932,6 +1937,8 @@ void __init setup_per_cpu_areas(void)
 
 	if (pcpu_setup_first_chunk(ai, fc) < 0)
 		panic("Failed to initialize percpu areas.");
+
+	pcpu_free_alloc_info(ai);
 }
 
 #endif	/* CONFIG_SMP */