1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* $Id: pgalloc.h,v 1.30 2001/12/21 04:56:17 davem Exp $ */
#ifndef _SPARC64_PGALLOC_H
#define _SPARC64_PGALLOC_H
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/quicklist.h>
#include <asm/spitfire.h>
#include <asm/cpudata.h>
#include <asm/cacheflush.h>
#include <asm/page.h>
/* Page table allocation/freeing. */
static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
return quicklist_alloc(0, GFP_KERNEL, NULL);
}
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
quicklist_free(0, NULL, pgd);
}
#define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD)
static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
{
return quicklist_alloc(0, GFP_KERNEL, NULL);
}
static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
{
quicklist_free(0, NULL, pmd);
}
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
return quicklist_alloc(0, GFP_KERNEL, NULL);
}
static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
struct page *page;
void *pg;
pg = quicklist_alloc(0, GFP_KERNEL, NULL);
if (!pg)
return NULL;
page = virt_to_page(pg);
pgtable_page_ctor(page);
return page;
}
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
quicklist_free(0, NULL, pte);
}
static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage)
{
pgtable_page_dtor(ptepage);
quicklist_free_page(0, NULL, ptepage);
}
#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
#define pmd_populate(MM,PMD,PTE_PAGE) \
pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
#define pmd_pgtable(pmd) pmd_page(pmd)
static inline void check_pgt_cache(void)
{
quicklist_trim(0, NULL, 25, 16);
}
#endif /* _SPARC64_PGALLOC_H */
|
