--- zzzz-none-000/linux-4.1.52/arch/arm/include/asm/pgtable.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/arch/arm/include/asm/pgtable.h	2022-03-02 11:37:12.000000000 +0000
@@ -237,7 +237,7 @@
 extern void __sync_icache_dcache(pte_t pteval);
 #endif
 
-static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
+static inline void set_pte_at(struct mm_struct *mm __maybe_unused, unsigned long addr,
 			      pte_t *ptep, pte_t pteval)
 {
 	unsigned long ext = 0;