include/asm-arm/pgalloc.h

   1 /*
   2  *  linux/include/asm-arm/pgalloc.h
   3  *
   4  *  Copyright (C) 2000-2001 Russell King
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10 #ifndef _ASMARM_PGALLOC_H
  11 #define _ASMARM_PGALLOC_H
  12
  13 #include <asm/processor.h>
  14 #include <asm/proc/pgalloc.h>
  15
  16 /*
  17  * Since we have only two-level page tables, these are trivial
  18  */
  19 #define pmd_alloc_one(mm,addr)          ({ BUG(); ((pmd_t *)2); })
  20 #define pmd_free(pmd)                   do { } while (0)
  21 #define pgd_populate(mm,pmd,pte)        BUG()
  22
  23 extern pgd_t *get_pgd_slow(struct mm_struct *mm);
  24 extern void free_pgd_slow(pgd_t *pgd);
  25
  26 #define pgd_alloc(mm)                   get_pgd_slow(mm)
  27 #define pgd_free(pgd)                   free_pgd_slow(pgd)
  28
  29 #define check_pgt_cache()               do { } while (0)
  30
  31 #endif