static inline void init_mmu(void) { } static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { } static inline int init_new_context(struct task_struct *tsk,struct mm_struct *mm) { return 0; } static inline void destroy_context(struct mm_struct *mm) { } static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) { } static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk) { } static inline void deactivate_mm(struct task_struct *tsk, struct mm_struct *mm) { }