diff --git a/arch/loongarch/mm/tlb.c b/arch/loongarch/mm/tlb.c
index 5503d4e4b096a8d3f96dd7e0c8f342d31c28ce17..1f9a7bbc056211d700c69ff36bf9aa2b92fd54fd 100644
--- a/arch/loongarch/mm/tlb.c
+++ b/arch/loongarch/mm/tlb.c
@@ -202,7 +202,7 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t *ptep
 	local_irq_restore(flags);
 }
 
-static void setup_ptwalker(void)
+static void __no_sanitize_address setup_ptwalker(void)
 {
 	unsigned long pwctl0, pwctl1;
 	unsigned long pgd_i = 0, pgd_w = 0;