release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sparc/include/asm/pgalloc_32.h

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