LXR linux/arch/sparc/include/asm/pgalloc

   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
  10struct page;
  11
  12extern 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
  24extern void check_pgt_cache(void);
  25BTFIXUPDEF_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
  28BTFIXUPDEF_CALL(pgd_t *, get_pgd_fast, void)
  29#define get_pgd_fast()          BTFIXUP_CALL(get_pgd_fast)()
  30
  31BTFIXUPDEF_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
  37BTFIXUPDEF_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
  41BTFIXUPDEF_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
  44BTFIXUPDEF_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
  50BTFIXUPDEF_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)
  53BTFIXUPDEF_CALL(void, pmd_set, pmd_t *, pte_t *)
  54#define pmd_populate_kernel(MM, PMD, PTE) BTFIXUP_CALL(pmd_set)(PMD, PTE)
  55
  56BTFIXUPDEF_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)
  58BTFIXUPDEF_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
  61BTFIXUPDEF_CALL(void, free_pte_fast, pte_t *)
  62#define pte_free_kernel(mm, pte)        BTFIXUP_CALL(free_pte_fast)(pte)
  63
  64BTFIXUPDEF_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 */
  69