--- zzzz-none-000/linux-4.1.52/include/linux/mm_types.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/mm_types.h	2022-03-02 11:37:13.000000000 +0000
@@ -459,7 +459,7 @@
 #endif
 };
 
-static inline void mm_init_cpumask(struct mm_struct *mm)
+static inline void mm_init_cpumask(struct mm_struct *mm __maybe_unused)
 {
 #ifdef CONFIG_CPUMASK_OFFSTACK
 	mm->cpu_vm_mask_var = &mm->cpumask_allocation;
@@ -502,14 +502,14 @@
 	mm->tlb_flush_pending = false;
 }
 #else
-static inline bool mm_tlb_flush_pending(struct mm_struct *mm)
+static inline bool mm_tlb_flush_pending(struct mm_struct *mm __maybe_unused)
 {
 	return false;
 }
-static inline void set_tlb_flush_pending(struct mm_struct *mm)
+static inline void set_tlb_flush_pending(struct mm_struct *mm __maybe_unused)
 {
 }
-static inline void clear_tlb_flush_pending(struct mm_struct *mm)
+static inline void clear_tlb_flush_pending(struct mm_struct *mm __maybe_unused)
 {
 }
 #endif