diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d932f406c0c1aa..875cec8c77089f 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -315,7 +315,7 @@ static inline bool deferred_pages_enabled(void)
 static bool __ref
 _deferred_grow_zone(struct zone *zone, unsigned int order)
 {
-       return deferred_grow_zone(zone, order);
+	return deferred_grow_zone(zone, order);
 }
 #else
 static inline bool deferred_pages_enabled(void)
@@ -5903,10 +5903,11 @@ static void setup_per_zone_lowmem_reserve(void)
 
 			for (j = i + 1; j < MAX_NR_ZONES; j++) {
 				struct zone *upper_zone = &pgdat->node_zones[j];
+				bool empty = !zone_managed_pages(upper_zone);
 
 				managed_pages += zone_managed_pages(upper_zone);
 
-				if (clear)
+				if (clear || empty)
 					zone->lowmem_reserve[j] = 0;
 				else
 					zone->lowmem_reserve[j] = managed_pages / ratio;