diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index c967bfd30d2b54..a2e3cc5ae29b82 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -228,8 +228,8 @@ SYM_FUNC_END(idmap_cpu_replace_ttbr1)
  *
  * Called exactly once from stop_machine context by each CPU found during boot.
  */
-__idmap_kpti_flag:
-	.long	1
+SYM_DATA_LOCAL(__idmap_kpti_flag, .long	1)
+
 SYM_FUNC_START(idmap_kpti_install_ng_mappings)
 	cpu		.req	w0
 	num_cpus	.req	w1