#ifndef _ASM_IA64_PGALLOC_H
  #define _ASM_IA64_PGALLOC_H
  
  /*
   * This file contains the functions and defines necessary to allocate
   * page tables.
   *
   * This hopefully works with any (fixed) ia-64 page-size, as defined
   * in <asm/page.h> (currently 8192).
   *
   * Copyright (C) 1998-2001 Hewlett-Packard Co
   *	David Mosberger-Tang <davidm@hpl.hp.com>
   * Copyright (C) 2000, Goutham Rao <goutham.rao@intel.com>
   */

  
  #include <linux/compiler.h>
  #include <linux/mm.h>
  #include <linux/page-flags.h>
  #include <linux/threads.h>

  #include <linux/quicklist.h>

  
  #include <asm/mmu_context.h>

  static inline pgd_t *pgd_alloc(struct mm_struct *mm)

  {

  	return quicklist_alloc(0, GFP_KERNEL, NULL);

  }

  static inline void pgd_free(pgd_t * pgd)

  {

  	quicklist_free(0, NULL, pgd);

  }

  #ifdef CONFIG_PGTABLE_4
  static inline void
  pgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud)
  {
  	pgd_val(*pgd_entry) = __pa(pud);
  }
  
  static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
  {

  	return quicklist_alloc(0, GFP_KERNEL, NULL);

  }
  
  static inline void pud_free(pud_t * pud)
  {

  	quicklist_free(0, NULL, pud);

  }
  #define __pud_free_tlb(tlb, pud)	pud_free(pud)
  #endif /* CONFIG_PGTABLE_4 */

  static inline void
  pud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd)

  {

  	pud_val(*pud_entry) = __pa(pmd);
  }

  static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
  {

  	return quicklist_alloc(0, GFP_KERNEL, NULL);

  }

  static inline void pmd_free(pmd_t * pmd)

  {

  	quicklist_free(0, NULL, pmd);

  }
  
  #define __pmd_free_tlb(tlb, pmd)	pmd_free(pmd)
  
  static inline void

  pmd_populate(struct mm_struct *mm, pmd_t * pmd_entry, struct page *pte)

  {
  	pmd_val(*pmd_entry) = page_to_phys(pte);
  }
  
  static inline void

  pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte)

  {
  	pmd_val(*pmd_entry) = __pa(pte);
  }

  static inline struct page *pte_alloc_one(struct mm_struct *mm,
  					 unsigned long addr)

  {

  	void *pg = quicklist_alloc(0, GFP_KERNEL, NULL);

  	return pg ? virt_to_page(pg) : NULL;

  }

  static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
  					  unsigned long addr)

  {

  	return quicklist_alloc(0, GFP_KERNEL, NULL);

  }

  static inline void pte_free(struct page *pte)

  {

  	quicklist_free_page(0, NULL, pte);

  }

  static inline void pte_free_kernel(pte_t * pte)

  {

  	quicklist_free(0, NULL, pte);

  }

  static inline void check_pgt_cache(void)
  {
  	quicklist_trim(0, NULL, 25, 16);
  }

  #define __pte_free_tlb(tlb, pte)	pte_free(pte)

  #endif				/* _ASM_IA64_PGALLOC_H */