--- zzzz-none-000/linux-3.10.107/include/linux/mm_types.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/linux/mm_types.h	2021-11-10 11:53:56.000000000 +0000
@@ -452,7 +452,7 @@
 #define NUMA_PTE_SCAN_INIT	-1
 #define NUMA_PTE_SCAN_ACTIVE	-2
 
-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;