mmu_context.h 888 B

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  1. #ifndef __CRIS_MMU_CONTEXT_H
  2. #define __CRIS_MMU_CONTEXT_H
  3. #include <asm-generic/mm_hooks.h>
  4. extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
  5. extern void get_mmu_context(struct mm_struct *mm);
  6. extern void destroy_context(struct mm_struct *mm);
  7. extern void switch_mm(struct mm_struct *prev, struct mm_struct *next,
  8. struct task_struct *tsk);
  9. #define deactivate_mm(tsk,mm) do { } while (0)
  10. static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
  11. {
  12. unsigned long flags;
  13. local_irq_save(flags);
  14. switch_mm(prev, next, NULL);
  15. local_irq_restore(flags);
  16. }
  17. /* current active pgd - this is similar to other processors pgd
  18. * registers like cr3 on the i386
  19. */
  20. /* defined in arch/cris/mm/fault.c */
  21. DECLARE_PER_CPU(pgd_t *, current_pgd);
  22. static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
  23. {
  24. }
  25. #endif