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1/* $Id: pgalloc.h,v 1.30 2001/12/21 04:56:17 davem Exp $ */
2#ifndef _SPARC64_PGALLOC_H
3#define _SPARC64_PGALLOC_H
4
5#include <linux/config.h>
6#include <linux/kernel.h>
7#include <linux/sched.h>
8#include <linux/mm.h>
9#include <linux/slab.h>
10
11#include <asm/spitfire.h>
12#include <asm/cpudata.h>
13#include <asm/cacheflush.h>
14#include <asm/page.h>
15
16/* Page table allocation/freeing. */
17extern kmem_cache_t *pgtable_cache;
18
19static inline pgd_t *pgd_alloc(struct mm_struct *mm)
20{
21 return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
22}
23
24static inline void pgd_free(pgd_t *pgd)
25{
26 kmem_cache_free(pgtable_cache, pgd);
27}
28
29#define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
30
31static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
32{
33 return kmem_cache_alloc(pgtable_cache,
34 GFP_KERNEL|__GFP_REPEAT);
35}
36
37static inline void pmd_free(pmd_t *pmd)
38{
39 kmem_cache_free(pgtable_cache, pmd);
40}
41
42static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
43 unsigned long address)
44{
45 return kmem_cache_alloc(pgtable_cache,
46 GFP_KERNEL|__GFP_REPEAT);
47}
48
49static inline struct page *pte_alloc_one(struct mm_struct *mm,
50 unsigned long address)
51{
52 return virt_to_page(pte_alloc_one_kernel(mm, address));
53}
54
55static inline void pte_free_kernel(pte_t *pte)
56{
57 kmem_cache_free(pgtable_cache, pte);
58}
59
60static inline void pte_free(struct page *ptepage)
61{
62 pte_free_kernel(page_address(ptepage));
63}
64
65
66#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
67#define pmd_populate(MM,PMD,PTE_PAGE) \
68 pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
69
70#define check_pgt_cache() do { } while (0)
71
72#endif /* _SPARC64_PGALLOC_H */