1/* $Id: pgalloc.h,v 1.1.1.1 2007/08/03 18:53:36 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#include <linux/quicklist.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. */
17
18static inline pgd_t *pgd_alloc(struct mm_struct *mm)
19{
20	return quicklist_alloc(0, GFP_KERNEL, NULL);
21}
22
23static inline void pgd_free(pgd_t *pgd)
24{
25	quicklist_free(0, NULL, 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 quicklist_alloc(0, GFP_KERNEL, NULL);
33}
34
35static inline void pmd_free(pmd_t *pmd)
36{
37	quicklist_free(0, NULL, pmd);
38}
39
40static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
41					  unsigned long address)
42{
43	return quicklist_alloc(0, GFP_KERNEL, NULL);
44}
45
46static inline struct page *pte_alloc_one(struct mm_struct *mm,
47					 unsigned long address)
48{
49	void *pg = quicklist_alloc(0, GFP_KERNEL, NULL);
50	return pg ? virt_to_page(pg) : NULL;
51}
52
53static inline void pte_free_kernel(pte_t *pte)
54{
55	quicklist_free(0, NULL, pte);
56}
57
58static inline void pte_free(struct page *ptepage)
59{
60	quicklist_free_page(0, NULL, ptepage);
61}
62
63
64#define pmd_populate_kernel(MM, PMD, PTE)	pmd_set(PMD, PTE)
65#define pmd_populate(MM,PMD,PTE_PAGE)		\
66	pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE))
67
68static inline void check_pgt_cache(void)
69{
70	quicklist_trim(0, NULL, 25, 16);
71}
72
73#endif /* _SPARC64_PGALLOC_H */
74