diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-07 21:07:33 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-07 21:07:33 -0400 |
commit | 3d8cd0c5d75c424f986c0602dc26579fbb7c8080 (patch) | |
tree | 03c61f81542f6c34e32eb5e0dfc3d34668f88fdd /arch/m68knommu/include/asm/pgtable.h | |
parent | 4c514a5ad1314b872e3185dabaf105c81d39d7e8 (diff) | |
parent | 58750139001bae11a1f9b074f3a9c774fecf5ba8 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
Move all of include/asm-m68knommu to arch/m68knommu/include/asm.
Diffstat (limited to 'arch/m68knommu/include/asm/pgtable.h')
-rw-r--r-- | arch/m68knommu/include/asm/pgtable.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/m68knommu/include/asm/pgtable.h b/arch/m68knommu/include/asm/pgtable.h new file mode 100644 index 000000000000..46251016e821 --- /dev/null +++ b/arch/m68knommu/include/asm/pgtable.h | |||
@@ -0,0 +1,70 @@ | |||
1 | #ifndef _M68KNOMMU_PGTABLE_H | ||
2 | #define _M68KNOMMU_PGTABLE_H | ||
3 | |||
4 | #include <asm-generic/4level-fixup.h> | ||
5 | |||
6 | /* | ||
7 | * (C) Copyright 2000-2002, Greg Ungerer <gerg@snapgear.com> | ||
8 | */ | ||
9 | |||
10 | #include <linux/slab.h> | ||
11 | #include <asm/processor.h> | ||
12 | #include <asm/page.h> | ||
13 | #include <asm/io.h> | ||
14 | |||
15 | /* | ||
16 | * Trivial page table functions. | ||
17 | */ | ||
18 | #define pgd_present(pgd) (1) | ||
19 | #define pgd_none(pgd) (0) | ||
20 | #define pgd_bad(pgd) (0) | ||
21 | #define pgd_clear(pgdp) | ||
22 | #define kern_addr_valid(addr) (1) | ||
23 | #define pmd_offset(a, b) ((void *)0) | ||
24 | |||
25 | #define PAGE_NONE __pgprot(0) | ||
26 | #define PAGE_SHARED __pgprot(0) | ||
27 | #define PAGE_COPY __pgprot(0) | ||
28 | #define PAGE_READONLY __pgprot(0) | ||
29 | #define PAGE_KERNEL __pgprot(0) | ||
30 | |||
31 | extern void paging_init(void); | ||
32 | #define swapper_pg_dir ((pgd_t *) 0) | ||
33 | |||
34 | #define __swp_type(x) (0) | ||
35 | #define __swp_offset(x) (0) | ||
36 | #define __swp_entry(typ,off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) | ||
37 | #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) | ||
38 | #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) | ||
39 | |||
40 | static inline int pte_file(pte_t pte) { return 0; } | ||
41 | |||
42 | /* | ||
43 | * ZERO_PAGE is a global shared page that is always zero: used | ||
44 | * for zero-mapped memory areas etc.. | ||
45 | */ | ||
46 | #define ZERO_PAGE(vaddr) (virt_to_page(0)) | ||
47 | |||
48 | /* | ||
49 | * These would be in other places but having them here reduces the diffs. | ||
50 | */ | ||
51 | extern unsigned int kobjsize(const void *objp); | ||
52 | |||
53 | /* | ||
54 | * No page table caches to initialise. | ||
55 | */ | ||
56 | #define pgtable_cache_init() do { } while (0) | ||
57 | |||
58 | #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \ | ||
59 | remap_pfn_range(vma, vaddr, pfn, size, prot) | ||
60 | |||
61 | /* | ||
62 | * All 32bit addresses are effectively valid for vmalloc... | ||
63 | * Sort of meaningless for non-VM targets. | ||
64 | */ | ||
65 | #define VMALLOC_START 0 | ||
66 | #define VMALLOC_END 0xffffffff | ||
67 | |||
68 | #include <asm-generic/pgtable.h> | ||
69 | |||
70 | #endif /* _M68KNOMMU_PGTABLE_H */ | ||