--- zzzz-none-000/linux-4.4.271/arch/arm/lib/memmove.S	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/arch/arm/lib/memmove.S	2023-04-19 10:22:27.000000000 +0000
@@ -25,14 +25,15 @@
  * normally a bit faster. Otherwise the copy is done going downwards.  This
  * is a transposition of the code from copy_template.S but with the copy
  * occurring in the opposite direction.
- */
-
+	*/
+	.weak memmove
+ENTRY(__memmove)
 ENTRY(memmove)
 	UNWIND(	.fnstart			)
 
 		subs	ip, r0, r1
 		cmphi	r2, ip
-		bls	memcpy
+		bls	__memcpy
 
 		stmfd	sp!, {r0, r4, lr}
 	UNWIND(	.fnend				)
@@ -225,3 +226,4 @@
 18:		backward_copy_shift	push=24	pull=8
 
 ENDPROC(memmove)
+ENDPROC(__memmove)