arch/s390/include/asm/mmu.h

   1 #ifndef __MMU_H
   2 #define __MMU_H
   3
   4 typedef struct {
   5         atomic_t attach_count;
   6         unsigned int flush_mm;
   7         spinlock_t list_lock;
   8         struct list_head pgtable_list;
   9         struct list_head gmap_list;
  10         unsigned long asce_bits;
  11         unsigned long asce_limit;
  12         unsigned long vdso_base;
  13         /* Cloned contexts will be created with extended page tables. */
  14         unsigned int alloc_pgste:1;
  15         /* The mmu context has extended page tables. */
  16         unsigned int has_pgste:1;
  17 } mm_context_t;
  18
  19 #define INIT_MM_CONTEXT(name)                                                 \
  20         .context.list_lock    = __SPIN_LOCK_UNLOCKED(name.context.list_lock), \
  21         .context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list),    \
  22         .context.gmap_list = LIST_HEAD_INIT(name.context.gmap_list),
  23
  24 #endif