diff --git a/mm/cma.c b/mm/cma.c
index 3e9724716bad..95d6950e177b 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -202,7 +202,7 @@ int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size,
 	cma->order_per_bit = order_per_bit;
 	*res_cma = cma;
 	cma_area_count++;
-	totalcma_pages += (size / PAGE_SIZE);
+	totalcma_pages += cma->count;
 
 	return 0;
 }