arch/cris/include/asm/mmu_context.h

   1 #ifndef __CRIS_MMU_CONTEXT_H
   2 #define __CRIS_MMU_CONTEXT_H
   3
   4 #include <asm-generic/mm_hooks.h>
   5
   6 extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
   7 extern void get_mmu_context(struct mm_struct *mm);
   8 extern void destroy_context(struct mm_struct *mm);
   9 extern void switch_mm(struct mm_struct *prev, struct mm_struct *next,
  10                       struct task_struct *tsk);
  11
  12 #define deactivate_mm(tsk,mm)   do { } while (0)
  13
  14 static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
  15 {
  16         unsigned long flags;
  17
  18         local_irq_save(flags);
  19         switch_mm(prev, next, NULL);
  20         local_irq_restore(flags);
  21 }
  22
  23 /* current active pgd - this is similar to other processors pgd
  24  * registers like cr3 on the i386
  25  */
  26
  27 /* defined in arch/cris/mm/fault.c */
  28 DECLARE_PER_CPU(pgd_t *, current_pgd);
  29
  30 static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
  31 {
  32 }
  33
  34 #endif