[ARM] Merge AT91 and devel branches
[sfrench/cifs-2.6.git] / include / asm-sparc64 / pgalloc.h
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. */
16 extern struct kmem_cache *pgtable_cache;
17
18 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
19 {
20         return kmem_cache_alloc(pgtable_cache, GFP_KERNEL);
21 }
22
23 static 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
30 static 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
36 static inline void pmd_free(pmd_t *pmd)
37 {
38         kmem_cache_free(pgtable_cache, pmd);
39 }
40
41 static 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
48 static 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                 
54 static inline void pte_free_kernel(pte_t *pte)
55 {
56         kmem_cache_free(pgtable_cache, pte);
57 }
58
59 static 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 */