diff options
Diffstat (limited to 'include/asm-x86_64/mmzone.h')
-rw-r--r-- | include/asm-x86_64/mmzone.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h index 972c9359f7d7..6b18cd8f293d 100644 --- a/include/asm-x86_64/mmzone.h +++ b/include/asm-x86_64/mmzone.h | |||
@@ -15,8 +15,13 @@ | |||
15 | #define NODEMAPSIZE 0xfff | 15 | #define NODEMAPSIZE 0xfff |
16 | 16 | ||
17 | /* Simple perfect hash to map physical addresses to node numbers */ | 17 | /* Simple perfect hash to map physical addresses to node numbers */ |
18 | extern int memnode_shift; | 18 | struct memnode { |
19 | extern u8 memnodemap[NODEMAPSIZE]; | 19 | int shift; |
20 | u8 map[NODEMAPSIZE]; | ||
21 | } ____cacheline_aligned; | ||
22 | extern struct memnode memnode; | ||
23 | #define memnode_shift memnode.shift | ||
24 | #define memnodemap memnode.map | ||
20 | 25 | ||
21 | extern struct pglist_data *node_data[]; | 26 | extern struct pglist_data *node_data[]; |
22 | 27 | ||
@@ -39,12 +44,8 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) | |||
39 | #define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT) | 44 | #define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT) |
40 | #define kvaddr_to_nid(kaddr) phys_to_nid(__pa(kaddr)) | 45 | #define kvaddr_to_nid(kaddr) phys_to_nid(__pa(kaddr)) |
41 | 46 | ||
42 | extern struct page *pfn_to_page(unsigned long pfn); | ||
43 | extern unsigned long page_to_pfn(struct page *page); | ||
44 | extern int pfn_valid(unsigned long pfn); | 47 | extern int pfn_valid(unsigned long pfn); |
45 | #endif | 48 | #endif |
46 | 49 | ||
47 | #define local_mapnr(kvaddr) \ | ||
48 | ( (__pa(kvaddr) >> PAGE_SHIFT) - node_start_pfn(kvaddr_to_nid(kvaddr)) ) | ||
49 | #endif | 50 | #endif |
50 | #endif | 51 | #endif |