--- zzzz-none-000/linux-3.10.107/arch/xtensa/include/asm/nommu_context.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/xtensa/include/asm/nommu_context.h	2021-02-04 17:41:59.000000000 +0000
@@ -1,3 +1,7 @@
+static inline void init_mmu(void)
+{
+}
+
 static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
 {
 }