arch/um/include/um_mmu.h

   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
  13 typedef 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
  22 extern void __switch_mm(struct mm_id * mm_idp);
  23
  24 /* Avoid tangled inclusion with asm/ldt.h */
  25 extern long init_new_ldt(struct mm_context *to_mm, struct mm_context *from_mm);
  26 extern void free_ldt(struct mm_context *mm);
  27
  28 #endif