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authorHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-08-05 07:35:07 -0400
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-08-05 07:35:07 -0400
commit84db8d7cdb072866f5a6c6ac2c9a74c5c48dd22f (patch)
tree7f10cc33bca606abd1547ae90d90362134a35332 /include/asm-avr32/pgalloc.h
parent2b12a4c524812fb3f6ee590a02e65b95c8c32229 (diff)
avr32: Move include/asm-avr32 to arch/avr32/include/asm
Leaving include/asm/arch alone for now. Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Diffstat (limited to 'include/asm-avr32/pgalloc.h')
-rw-r--r--include/asm-avr32/pgalloc.h98
1 files changed, 0 insertions, 98 deletions
diff --git a/include/asm-avr32/pgalloc.h b/include/asm-avr32/pgalloc.h
deleted file mode 100644
index 640821323943..000000000000
--- a/include/asm-avr32/pgalloc.h
+++ /dev/null
@@ -1,98 +0,0 @@
1/*
2 * Copyright (C) 2004-2006 Atmel Corporation
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8#ifndef __ASM_AVR32_PGALLOC_H
9#define __ASM_AVR32_PGALLOC_H
10
11#include <linux/quicklist.h>
12#include <asm/page.h>
13#include <asm/pgtable.h>
14
15#define QUICK_PGD 0 /* Preserve kernel mappings over free */
16#define QUICK_PT 1 /* Zero on free */
17
18static inline void pmd_populate_kernel(struct mm_struct *mm,
19 pmd_t *pmd, pte_t *pte)
20{
21 set_pmd(pmd, __pmd((unsigned long)pte));
22}
23
24static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
25 pgtable_t pte)
26{
27 set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
28}
29#define pmd_pgtable(pmd) pmd_page(pmd)
30
31static inline void pgd_ctor(void *x)
32{
33 pgd_t *pgd = x;
34
35 memcpy(pgd + USER_PTRS_PER_PGD,
36 swapper_pg_dir + USER_PTRS_PER_PGD,
37 (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t));
38}
39
40/*
41 * Allocate and free page tables
42 */
43static inline pgd_t *pgd_alloc(struct mm_struct *mm)
44{
45 return quicklist_alloc(QUICK_PGD, GFP_KERNEL | __GFP_REPEAT, pgd_ctor);
46}
47
48static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
49{
50 quicklist_free(QUICK_PGD, NULL, pgd);
51}
52
53static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
54 unsigned long address)
55{
56 return quicklist_alloc(QUICK_PT, GFP_KERNEL | __GFP_REPEAT, NULL);
57}
58
59static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
60 unsigned long address)
61{
62 struct page *page;
63 void *pg;
64
65 pg = quicklist_alloc(QUICK_PT, GFP_KERNEL | __GFP_REPEAT, NULL);
66 if (!pg)
67 return NULL;
68
69 page = virt_to_page(pg);
70 pgtable_page_ctor(page);
71
72 return page;
73}
74
75static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
76{
77 quicklist_free(QUICK_PT, NULL, pte);
78}
79
80static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
81{
82 pgtable_page_dtor(pte);
83 quicklist_free_page(QUICK_PT, NULL, pte);
84}
85
86#define __pte_free_tlb(tlb,pte) \
87do { \
88 pgtable_page_dtor(pte); \
89 tlb_remove_page((tlb), pte); \
90} while (0)
91
92static inline void check_pgt_cache(void)
93{
94 quicklist_trim(QUICK_PGD, NULL, 25, 16);
95 quicklist_trim(QUICK_PT, NULL, 25, 16);
96}
97
98#endif /* __ASM_AVR32_PGALLOC_H */