diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-15 12:19:40 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-15 12:19:40 -0400 |
commit | 024b246ed24492d6c2ee14c34d742b137fce1b94 (patch) | |
tree | 428444950025503218c96b03c86f749403626dec /arch/alpha/include/asm/mmzone.h | |
parent | 9419fc1c957d600093baaea247fef23cca3b4e93 (diff) |
alpha: move include/asm-alpha to arch/alpha/include/asm
Sam Ravnborg did the build-test that the direct header file move works,
I'm just committing it.
This is a pure move:
mkdir arch/alpha/include
git mv include/asm-alpha arch/alpha/include/asm
with no other changes.
Requested-and-tested-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/alpha/include/asm/mmzone.h')
-rw-r--r-- | arch/alpha/include/asm/mmzone.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/mmzone.h b/arch/alpha/include/asm/mmzone.h new file mode 100644 index 000000000000..8af56ce346ad --- /dev/null +++ b/arch/alpha/include/asm/mmzone.h | |||
@@ -0,0 +1,115 @@ | |||
1 | /* | ||
2 | * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99 | ||
3 | * Adapted for the alpha wildfire architecture Jan 2001. | ||
4 | */ | ||
5 | #ifndef _ASM_MMZONE_H_ | ||
6 | #define _ASM_MMZONE_H_ | ||
7 | |||
8 | #include <asm/smp.h> | ||
9 | |||
10 | struct bootmem_data_t; /* stupid forward decl. */ | ||
11 | |||
12 | /* | ||
13 | * Following are macros that are specific to this numa platform. | ||
14 | */ | ||
15 | |||
16 | extern pg_data_t node_data[]; | ||
17 | |||
18 | #define alpha_pa_to_nid(pa) \ | ||
19 | (alpha_mv.pa_to_nid \ | ||
20 | ? alpha_mv.pa_to_nid(pa) \ | ||
21 | : (0)) | ||
22 | #define node_mem_start(nid) \ | ||
23 | (alpha_mv.node_mem_start \ | ||
24 | ? alpha_mv.node_mem_start(nid) \ | ||
25 | : (0UL)) | ||
26 | #define node_mem_size(nid) \ | ||
27 | (alpha_mv.node_mem_size \ | ||
28 | ? alpha_mv.node_mem_size(nid) \ | ||
29 | : ((nid) ? (0UL) : (~0UL))) | ||
30 | |||
31 | #define pa_to_nid(pa) alpha_pa_to_nid(pa) | ||
32 | #define NODE_DATA(nid) (&node_data[(nid)]) | ||
33 | |||
34 | #define node_localnr(pfn, nid) ((pfn) - NODE_DATA(nid)->node_start_pfn) | ||
35 | |||
36 | #if 1 | ||
37 | #define PLAT_NODE_DATA_LOCALNR(p, n) \ | ||
38 | (((p) >> PAGE_SHIFT) - PLAT_NODE_DATA(n)->gendata.node_start_pfn) | ||
39 | #else | ||
40 | static inline unsigned long | ||
41 | PLAT_NODE_DATA_LOCALNR(unsigned long p, int n) | ||
42 | { | ||
43 | unsigned long temp; | ||
44 | temp = p >> PAGE_SHIFT; | ||
45 | return temp - PLAT_NODE_DATA(n)->gendata.node_start_pfn; | ||
46 | } | ||
47 | #endif | ||
48 | |||
49 | #ifdef CONFIG_DISCONTIGMEM | ||
50 | |||
51 | /* | ||
52 | * Following are macros that each numa implementation must define. | ||
53 | */ | ||
54 | |||
55 | /* | ||
56 | * Given a kernel address, find the home node of the underlying memory. | ||
57 | */ | ||
58 | #define kvaddr_to_nid(kaddr) pa_to_nid(__pa(kaddr)) | ||
59 | #define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) | ||
60 | |||
61 | /* | ||
62 | * Given a kaddr, LOCAL_BASE_ADDR finds the owning node of the memory | ||
63 | * and returns the kaddr corresponding to first physical page in the | ||
64 | * node's mem_map. | ||
65 | */ | ||
66 | #define LOCAL_BASE_ADDR(kaddr) \ | ||
67 | ((unsigned long)__va(NODE_DATA(kvaddr_to_nid(kaddr))->node_start_pfn \ | ||
68 | << PAGE_SHIFT)) | ||
69 | |||
70 | /* XXX: FIXME -- wli */ | ||
71 | #define kern_addr_valid(kaddr) (0) | ||
72 | |||
73 | #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) | ||
74 | |||
75 | #define VALID_PAGE(page) (((page) - mem_map) < max_mapnr) | ||
76 | |||
77 | #define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> 32)) | ||
78 | #define pgd_page(pgd) (pfn_to_page(pgd_val(pgd) >> 32)) | ||
79 | #define pte_pfn(pte) (pte_val(pte) >> 32) | ||
80 | |||
81 | #define mk_pte(page, pgprot) \ | ||
82 | ({ \ | ||
83 | pte_t pte; \ | ||
84 | unsigned long pfn; \ | ||
85 | \ | ||
86 | pfn = page_to_pfn(page) << 32; \ | ||
87 | pte_val(pte) = pfn | pgprot_val(pgprot); \ | ||
88 | \ | ||
89 | pte; \ | ||
90 | }) | ||
91 | |||
92 | #define pte_page(x) \ | ||
93 | ({ \ | ||
94 | unsigned long kvirt; \ | ||
95 | struct page * __xx; \ | ||
96 | \ | ||
97 | kvirt = (unsigned long)__va(pte_val(x) >> (32-PAGE_SHIFT)); \ | ||
98 | __xx = virt_to_page(kvirt); \ | ||
99 | \ | ||
100 | __xx; \ | ||
101 | }) | ||
102 | |||
103 | #define page_to_pa(page) \ | ||
104 | (page_to_pfn(page) << PAGE_SHIFT) | ||
105 | |||
106 | #define pfn_to_nid(pfn) pa_to_nid(((u64)(pfn) << PAGE_SHIFT)) | ||
107 | #define pfn_valid(pfn) \ | ||
108 | (((pfn) - node_start_pfn(pfn_to_nid(pfn))) < \ | ||
109 | node_spanned_pages(pfn_to_nid(pfn))) \ | ||
110 | |||
111 | #define virt_addr_valid(kaddr) pfn_valid((__pa(kaddr) >> PAGE_SHIFT)) | ||
112 | |||
113 | #endif /* CONFIG_DISCONTIGMEM */ | ||
114 | |||
115 | #endif /* _ASM_MMZONE_H_ */ | ||