release/src-rt-6.x/linux/linux-2.6/include/asm-sparc/pgalloc.h

   1 /* $Id: pgalloc.h,v 1.16 2001/12/21 04:56:17 davem Exp $ */
   2 #ifndef _SPARC_PGALLOC_H
   3 #define _SPARC_PGALLOC_H
   4
   5 #include <linux/kernel.h>
   6 #include <linux/sched.h>
   7
   8 #include <asm/page.h>
   9 #include <asm/btfixup.h>
  10
  11 struct page;
  12
  13 extern struct pgtable_cache_struct {
  14         unsigned long *pgd_cache;
  15         unsigned long *pte_cache;
  16         unsigned long pgtable_cache_sz;
  17         unsigned long pgd_cache_sz;
  18 } pgt_quicklists;
  19 #define pgd_quicklist           (pgt_quicklists.pgd_cache)
  20 #define pmd_quicklist           ((unsigned long *)0)
  21 #define pte_quicklist           (pgt_quicklists.pte_cache)
  22 #define pgtable_cache_size      (pgt_quicklists.pgtable_cache_sz)
  23 #define pgd_cache_size          (pgt_quicklists.pgd_cache_sz)
  24
  25 extern void check_pgt_cache(void);
  26 BTFIXUPDEF_CALL(void,    do_check_pgt_cache, int, int)
  27 #define do_check_pgt_cache(low,high) BTFIXUP_CALL(do_check_pgt_cache)(low,high)
  28
  29 BTFIXUPDEF_CALL(pgd_t *, get_pgd_fast, void)
  30 #define get_pgd_fast()          BTFIXUP_CALL(get_pgd_fast)()
  31
  32 BTFIXUPDEF_CALL(void, free_pgd_fast, pgd_t *)
  33 #define free_pgd_fast(pgd)      BTFIXUP_CALL(free_pgd_fast)(pgd)
  34
  35 #define pgd_free(pgd)   free_pgd_fast(pgd)
  36 #define pgd_alloc(mm)   get_pgd_fast()
  37
  38 BTFIXUPDEF_CALL(void, pgd_set, pgd_t *, pmd_t *)
  39 #define pgd_set(pgdp,pmdp) BTFIXUP_CALL(pgd_set)(pgdp,pmdp)
  40 #define pgd_populate(MM, PGD, PMD)      pgd_set(PGD, PMD)
  41
  42 BTFIXUPDEF_CALL(pmd_t *, pmd_alloc_one, struct mm_struct *, unsigned long)
  43 #define pmd_alloc_one(mm, address)      BTFIXUP_CALL(pmd_alloc_one)(mm, address)
  44
  45 BTFIXUPDEF_CALL(void, free_pmd_fast, pmd_t *)
  46 #define free_pmd_fast(pmd)      BTFIXUP_CALL(free_pmd_fast)(pmd)
  47
  48 #define pmd_free(pmd)           free_pmd_fast(pmd)
  49 #define __pmd_free_tlb(tlb, pmd) pmd_free(pmd)
  50
  51 BTFIXUPDEF_CALL(void, pmd_populate, pmd_t *, struct page *)
  52 #define pmd_populate(MM, PMD, PTE)        BTFIXUP_CALL(pmd_populate)(PMD, PTE)
  53 BTFIXUPDEF_CALL(void, pmd_set, pmd_t *, pte_t *)
  54 #define pmd_populate_kernel(MM, PMD, PTE) BTFIXUP_CALL(pmd_set)(PMD, PTE)
  55
  56 BTFIXUPDEF_CALL(struct page *, pte_alloc_one, struct mm_struct *, unsigned long)
  57 #define pte_alloc_one(mm, address)      BTFIXUP_CALL(pte_alloc_one)(mm, address)
  58 BTFIXUPDEF_CALL(pte_t *, pte_alloc_one_kernel, struct mm_struct *, unsigned long)
  59 #define pte_alloc_one_kernel(mm, addr)  BTFIXUP_CALL(pte_alloc_one_kernel)(mm, addr)
  60
  61 BTFIXUPDEF_CALL(void, free_pte_fast, pte_t *)
  62 #define pte_free_kernel(pte)    BTFIXUP_CALL(free_pte_fast)(pte)
  63
  64 BTFIXUPDEF_CALL(void, pte_free, struct page *)
  65 #define pte_free(pte)           BTFIXUP_CALL(pte_free)(pte)
  66 #define __pte_free_tlb(tlb, pte)        pte_free(pte)
  67
  68 #endif /* _SPARC_PGALLOC_H */