diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index b481b4a7c0111472baece0c0f5bcc9b985fb928a..4bb18aee48464fdca61871815d4f177d41234425 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -97,12 +97,14 @@ else
 TEXT_OFFSET := 0x00080000
 endif
 
-# KASAN_SHADOW_OFFSET = VA_START + (1 << (VA_BITS - 3)) - (1 << 61)
+# KASAN_SHADOW_OFFSET = VA_START + (1 << (VA_BITS - KASAN_SHADOW_SCALE_SHIFT))
+#				 - (1 << (64 - KASAN_SHADOW_SCALE_SHIFT))
 # in 32-bit arithmetic
+KASAN_SHADOW_SCALE_SHIFT := 3
 KASAN_SHADOW_OFFSET := $(shell printf "0x%08x00000000\n" $$(( \
-			(0xffffffff & (-1 << ($(CONFIG_ARM64_VA_BITS) - 32))) \
-			+ (1 << ($(CONFIG_ARM64_VA_BITS) - 32 - 3)) \
-			- (1 << (64 - 32 - 3)) )) )
+	(0xffffffff & (-1 << ($(CONFIG_ARM64_VA_BITS) - 32))) \
+	+ (1 << ($(CONFIG_ARM64_VA_BITS) - 32 - $(KASAN_SHADOW_SCALE_SHIFT))) \
+	- (1 << (64 - 32 - $(KASAN_SHADOW_SCALE_SHIFT))) )) )
 
 export	TEXT_OFFSET GZFLAGS