--- zzzz-none-000/linux-4.1.38/arch/arm/include/asm/pgtable-2level.h	2017-01-18 18:48:06.000000000 +0000
+++ bcm63-7582-715/linux-4.1.38/arch/arm/include/asm/pgtable-2level.h	2020-11-25 10:06:48.000000000 +0000
@@ -157,7 +157,7 @@
 #define pud_clear(pudp)		do { } while (0)
 #define set_pud(pud,pudp)	do { } while (0)
 
-static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr)
+static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr __maybe_unused)
 {
 	return (pmd_t *)pud;
 }