linux/arch/um/include/um_mmu.h
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   1/* 
   2 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   3 * Licensed under the GPL
   4 */
   5
   6#ifndef __ARCH_UM_MMU_H
   7#define __ARCH_UM_MMU_H
   8
   9#include "uml-config.h"
  10#include "mm_id.h"
  11#include "asm/ldt.h"
  12
  13typedef struct mm_context {
  14        struct mm_id id;
  15        unsigned long last_page_table;
  16#ifdef CONFIG_3_LEVEL_PGTABLES
  17        unsigned long last_pmd;
  18#endif
  19        struct uml_ldt ldt;
  20} mm_context_t;
  21
  22extern void __switch_mm(struct mm_id * mm_idp);
  23
  24/* Avoid tangled inclusion with asm/ldt.h */
  25extern long init_new_ldt(struct mm_context *to_mm, struct mm_context *from_mm);
  26extern void free_ldt(struct mm_context *mm);
  27
  28#endif
  29