blob: 5bdfa2c6e4006eb315e50a30c7df82c12b147d73 [file] [log] [blame]
Sam Ravnborgf5e706a2008-07-17 21:55:51 -07001#ifndef _SPARC64_PGALLOC_H
2#define _SPARC64_PGALLOC_H
3
4#include <linux/kernel.h>
5#include <linux/sched.h>
6#include <linux/mm.h>
7#include <linux/slab.h>
8#include <linux/quicklist.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
17static inline pgd_t *pgd_alloc(struct mm_struct *mm)
18{
19 return quicklist_alloc(0, GFP_KERNEL, NULL);
20}
21
22static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
23{
24 quicklist_free(0, NULL, pgd);
25}
26
27#define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
28
29static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
30{
31 return quicklist_alloc(0, GFP_KERNEL, NULL);
32}
33
34static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
35{
36 quicklist_free(0, NULL, pmd);
37}
38
39static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
40 unsigned long address)
41{
42 return quicklist_alloc(0, GFP_KERNEL, NULL);
43}
44
45static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
46 unsigned long address)
47{
48 struct page *page;
49 void *pg;
50
51 pg = quicklist_alloc(0, GFP_KERNEL, NULL);
52 if (!pg)
53 return NULL;
54 page = virt_to_page(pg);
55 pgtable_page_ctor(page);
56 return page;
57}
58
59static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
60{
61 quicklist_free(0, NULL, pte);
62}
63
64static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
65{
66 pgtable_page_dtor(ptepage);
67 quicklist_free_page(0, NULL, ptepage);
68}
69
70
71#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
72#define pmd_populate(MM,PMD,PTE_PAGE) \
73 pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
74#define pmd_pgtable(pmd) pmd_page(pmd)
75
76static inline void check_pgt_cache(void)
77{
78 quicklist_trim(0, NULL, 25, 16);
79}
80
81#endif /* _SPARC64_PGALLOC_H */