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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-12-07 15:48:15 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-12-07 15:48:15 -0500
commit34161db6b14d984fb9b06c735b7b42f8803f6851 (patch)
tree99656278b6697f1cde5b05894b7c0ee22c63a00e /include/asm-sh/pgtable-2level.h
parent5847e1f4d058677c5e46dc6c3e3c70e8855ea3ba (diff)
parent620034c84d1d939717bdfbe02c51a3fee43541c3 (diff)
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linus
Conflicts: include/linux/sunrpc/xprt.h net/sunrpc/xprtsock.c Fix up conflicts with the workqueue changes.
Diffstat (limited to 'include/asm-sh/pgtable-2level.h')
-rw-r--r--include/asm-sh/pgtable-2level.h70
1 files changed, 0 insertions, 70 deletions
diff --git a/include/asm-sh/pgtable-2level.h b/include/asm-sh/pgtable-2level.h
deleted file mode 100644
index b525db6f61c6..000000000000
--- a/include/asm-sh/pgtable-2level.h
+++ /dev/null
@@ -1,70 +0,0 @@
1#ifndef __ASM_SH_PGTABLE_2LEVEL_H
2#define __ASM_SH_PGTABLE_2LEVEL_H
3
4/*
5 * traditional two-level paging structure:
6 */
7
8#define PGDIR_SHIFT 22
9#define PTRS_PER_PGD 1024
10
11/*
12 * this is two-level, so we don't really have any
13 * PMD directory physically.
14 */
15#define PMD_SHIFT 22
16#define PTRS_PER_PMD 1
17
18#define PTRS_PER_PTE 1024
19
20#ifndef __ASSEMBLY__
21#define pte_ERROR(e) \
22 printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
23#define pmd_ERROR(e) \
24 printk("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e))
25#define pgd_ERROR(e) \
26 printk("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))
27
28/*
29 * The "pgd_xxx()" functions here are trivial for a folded two-level
30 * setup: the pgd is never bad, and a pmd always exists (as it's folded
31 * into the pgd entry)
32 */
33static inline int pgd_none(pgd_t pgd) { return 0; }
34static inline int pgd_bad(pgd_t pgd) { return 0; }
35static inline int pgd_present(pgd_t pgd) { return 1; }
36static inline void pgd_clear (pgd_t * pgdp) { }
37
38/*
39 * Certain architectures need to do special things when PTEs
40 * within a page table are directly modified. Thus, the following
41 * hook is made available.
42 */
43#define set_pte(pteptr, pteval) (*(pteptr) = pteval)
44#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
45
46/*
47 * (pmds are folded into pgds so this doesn't get actually called,
48 * but the define is needed for a generic inline function.)
49 */
50#define set_pmd(pmdptr, pmdval) (*(pmdptr) = pmdval)
51#define set_pgd(pgdptr, pgdval) (*(pgdptr) = pgdval)
52
53#define pgd_page_vaddr(pgd) \
54((unsigned long) __va(pgd_val(pgd) & PAGE_MASK))
55
56#define pgd_page(pgd) \
57 (phys_to_page(pgd_val(pgd)))
58
59static inline pmd_t * pmd_offset(pgd_t * dir, unsigned long address)
60{
61 return (pmd_t *) dir;
62}
63
64#define pte_pfn(x) ((unsigned long)(((x).pte >> PAGE_SHIFT)))
65#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
66#define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
67
68#endif /* !__ASSEMBLY__ */
69
70#endif /* __ASM_SH_PGTABLE_2LEVEL_H */