diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 20982031fad8..03b857e34b60 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -458,7 +458,7 @@ void __init arm64_memblock_init(void)
 	if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) {
 		extern u16 memstart_offset_seed;
 		u64 range = linear_region_size -
-			    (memblock_end_of_DRAM() - memblock_start_of_DRAM());
+			   (bootloader_memory_limit - memblock_start_of_DRAM());
 
 		/*
 		 * If the size of the linear region exceeds, by a sufficient