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 crst_list;
   9         struct list_head pgtable_list;
  10         unsigned long asce_bits;
  11         unsigned long asce_limit;
  12         unsigned long vdso_base;
  13         int noexec;
  14         int has_pgste;   /* The mmu context has extended page tables */
  15         int alloc_pgste; /* cloned contexts will have extended page tables */
  16 } mm_context_t;
  17
  18 #define INIT_MM_CONTEXT(name)                                                 \
  19         .context.list_lock    = __SPIN_LOCK_UNLOCKED(name.context.list_lock), \
  20         .context.crst_list    = LIST_HEAD_INIT(name.context.crst_list),       \
  21         .context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list),
  22
  23 #endif