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