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