hc
2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d
kernel/arch/x86/include/asm/mmzone_32.h
....@@ -14,43 +14,4 @@
1414 #define NODE_DATA(nid) (node_data[nid])
1515 #endif /* CONFIG_NUMA */
1616
17
-#ifdef CONFIG_DISCONTIGMEM
18
-
19
-/*
20
- * generic node memory support, the following assumptions apply:
21
- *
22
- * 1) memory comes in 64Mb contiguous chunks which are either present or not
23
- * 2) we will not have more than 64Gb in total
24
- *
25
- * for now assume that 64Gb is max amount of RAM for whole system
26
- * 64Gb / 4096bytes/page = 16777216 pages
27
- */
28
-#define MAX_NR_PAGES 16777216
29
-#define MAX_SECTIONS 1024
30
-#define PAGES_PER_SECTION (MAX_NR_PAGES/MAX_SECTIONS)
31
-
32
-extern s8 physnode_map[];
33
-
34
-static inline int pfn_to_nid(unsigned long pfn)
35
-{
36
-#ifdef CONFIG_NUMA
37
- return((int) physnode_map[(pfn) / PAGES_PER_SECTION]);
38
-#else
39
- return 0;
40
-#endif
41
-}
42
-
43
-static inline int pfn_valid(int pfn)
44
-{
45
- int nid = pfn_to_nid(pfn);
46
-
47
- if (nid >= 0)
48
- return (pfn < node_end_pfn(nid));
49
- return 0;
50
-}
51
-
52
-#define early_pfn_valid(pfn) pfn_valid((pfn))
53
-
54
-#endif /* CONFIG_DISCONTIGMEM */
55
-
5617 #endif /* _ASM_X86_MMZONE_32_H */