mmu.h 708 B

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  1. #ifndef __MMU_H
  2. #define __MMU_H
  3. typedef struct {
  4. atomic_t attach_count;
  5. unsigned int flush_mm;
  6. spinlock_t list_lock;
  7. struct list_head pgtable_list;
  8. struct list_head gmap_list;
  9. unsigned long asce_bits;
  10. unsigned long asce_limit;
  11. unsigned long vdso_base;
  12. /* Cloned contexts will be created with extended page tables. */
  13. unsigned int alloc_pgste:1;
  14. /* The mmu context has extended page tables. */
  15. unsigned int has_pgste:1;
  16. } mm_context_t;
  17. #define INIT_MM_CONTEXT(name) \
  18. .context.list_lock = __SPIN_LOCK_UNLOCKED(name.context.list_lock), \
  19. .context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list), \
  20. .context.gmap_list = LIST_HEAD_INIT(name.context.gmap_list),
  21. #endif