diff options
Diffstat (limited to 'arch/sh/include/asm/mmzone.h')
-rw-r--r-- | arch/sh/include/asm/mmzone.h | 48 |
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 | ||
7 | extern 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 | |||
14 | static 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 | |||
25 | static 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 */ | ||
31 | void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end); | ||
32 | #else | ||
33 | static inline void | ||
34 | setup_bootmem_node(int nid, unsigned long start, unsigned long end) | ||
35 | { | ||
36 | } | ||
37 | #endif /* CONFIG_NEED_MULTIPLE_NODES */ | ||
38 | |||
39 | /* Platform specific mem init */ | ||
40 | void __init plat_mem_setup(void); | ||
41 | |||
42 | /* arch/sh/kernel/setup.c */ | ||
43 | void __init setup_bootmem_allocator(unsigned long start_pfn); | ||
44 | void __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 */ | ||