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authorPaul Mundt <lethal@linux-sh.org>2008-07-28 19:09:44 -0400
committerPaul Mundt <lethal@linux-sh.org>2008-07-28 19:09:44 -0400
commitf15cbe6f1a4b4d9df59142fc8e4abb973302cf44 (patch)
tree774d7b11abaaf33561ab8268bf51ddd9ceb79025 /arch/sh/include/asm/mmzone.h
parent25326277d8d1393d1c66240e6255aca780f9e3eb (diff)
sh: migrate to arch/sh/include/
This follows the sparc changes a439fe51a1f8eb087c22dd24d69cebae4a3addac. Most of the moving about was done with Sam's directions at: http://marc.info/?l=linux-sh&m=121724823706062&w=2 with subsequent hacking and fixups entirely my fault. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/mmzone.h')
-rw-r--r--arch/sh/include/asm/mmzone.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/sh/include/asm/mmzone.h b/arch/sh/include/asm/mmzone.h
new file mode 100644
index 000000000000..2969253c4042
--- /dev/null
+++ b/arch/sh/include/asm/mmzone.h
@@ -0,0 +1,48 @@
1#ifndef __ASM_SH_MMZONE_H
2#define __ASM_SH_MMZONE_H
3
4#ifdef __KERNEL__
5
6#ifdef CONFIG_NEED_MULTIPLE_NODES
7extern struct pglist_data *node_data[];
8#define NODE_DATA(nid) (node_data[nid])
9
10#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn)
11#define node_end_pfn(nid) (NODE_DATA(nid)->node_start_pfn + \
12 NODE_DATA(nid)->node_spanned_pages)
13
14static inline int pfn_to_nid(unsigned long pfn)
15{
16 int nid;
17
18 for (nid = 0; nid < MAX_NUMNODES; nid++)
19 if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
20 break;
21
22 return nid;
23}
24
25static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
26{
27 return NODE_DATA(pfn_to_nid(pfn));
28}
29
30/* arch/sh/mm/numa.c */
31void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
32#else
33static inline void
34setup_bootmem_node(int nid, unsigned long start, unsigned long end)
35{
36}
37#endif /* CONFIG_NEED_MULTIPLE_NODES */
38
39/* Platform specific mem init */
40void __init plat_mem_setup(void);
41
42/* arch/sh/kernel/setup.c */
43void __init setup_bootmem_allocator(unsigned long start_pfn);
44void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
45 unsigned long end_pfn);
46
47#endif /* __KERNEL__ */
48#endif /* __ASM_SH_MMZONE_H */