arch/arm/include/asm/mmu.h

   1 #ifndef __ARM_MMU_H
   2 #define __ARM_MMU_H
   3
   4 #ifdef CONFIG_MMU
   5
   6 typedef struct {
   7 #ifdef CONFIG_CPU_HAS_ASID
   8         unsigned int id;
   9         spinlock_t id_lock;
  10 #endif
  11         unsigned int kvm_seq;
  12 } mm_context_t;
  13
  14 #ifdef CONFIG_CPU_HAS_ASID
  15 #define ASID(mm)        ((mm)->context.id & 255)
  16 #else
  17 #define ASID(mm)        (0)
  18 #endif
  19
  20 #else
  21
  22 /*
  23  * From nommu.h:
  24  *  Copyright (C) 2002, David McCullough <davidm@snapgear.com>
  25  *  modified for 2.6 by Hyok S. Choi <hyok.choi@samsung.com>
  26  */
  27 typedef struct {
  28         unsigned long           end_brk;
  29 } mm_context_t;
  30
  31 #endif
  32
  33 #endif