diff --git a/mm/mmzone.c b/mm/mmzone.c
index f04cbef1eb88..2241281ffe16 100644
--- a/mm/mmzone.c
+++ b/mm/mmzone.c
@@ -72,6 +72,7 @@ struct zoneref *__next_zones_zonelist(struct zoneref *z,
 
 	return z;
 }
+EXPORT_SYMBOL_GPL(__next_zones_zonelist);
 
 #ifdef CONFIG_ARCH_HAS_HOLES_MEMORYMODEL
 bool memmap_valid_within(unsigned long pfn,
@@ -130,3 +131,4 @@ enum zone_type gfp_zone(gfp_t flags)
 	VM_BUG_ON((GFP_ZONE_BAD >> bit) & 1);
 	return z;
 }
+EXPORT_SYMBOL_GPL(gfp_zone);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 11a0b303f1b4..9a547b7bf8f9 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3729,6 +3729,7 @@ bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
 	return __zone_watermark_ok(z, order, mark, highest_zoneidx, alloc_flags,
 					zone_page_state(z, NR_FREE_PAGES));
 }
+EXPORT_SYMBOL_GPL(zone_watermark_ok);
 
 static inline bool zone_watermark_fast(struct zone *z, unsigned int order,
 				unsigned long mark, int highest_zoneidx,
@@ -3781,6 +3782,7 @@ bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
 	return __zone_watermark_ok(z, order, mark, highest_zoneidx, 0,
 								free_pages);
 }
+EXPORT_SYMBOL_GPL(zone_watermark_ok_safe);
 
 #ifdef CONFIG_NUMA
 static bool zone_allows_reclaim(struct zone *local_zone, struct zone *zone)