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hc
2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777 
 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 
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-#ifdef CONFIG_DISCONTIGMEM
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-
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-/*
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- * generic node memory support, the following assumptions apply:
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- *
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- * 1) memory comes in 64Mb contiguous chunks which are either present or not
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- * 2) we will not have more than 64Gb in total
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- *
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- * for now assume that 64Gb is max amount of RAM for whole system
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- *    64Gb / 4096bytes/page = 16777216 pages
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- */
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-#define MAX_NR_PAGES 16777216
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-#define MAX_SECTIONS 1024
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-#define PAGES_PER_SECTION (MAX_NR_PAGES/MAX_SECTIONS)
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-
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-extern s8 physnode_map[];
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-
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-static inline int pfn_to_nid(unsigned long pfn)
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-{
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-#ifdef CONFIG_NUMA
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-	return((int) physnode_map[(pfn) / PAGES_PER_SECTION]);
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-#else
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-	return 0;
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-#endif
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-}
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-
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-static inline int pfn_valid(int pfn)
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-{
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-	int nid = pfn_to_nid(pfn);
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-
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-	if (nid >= 0)
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-		return (pfn < node_end_pfn(nid));
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-	return 0;
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-}
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-
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-#define early_pfn_valid(pfn)	pfn_valid((pfn))
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-
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-#endif /* CONFIG_DISCONTIGMEM */
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-
5617 #endif /* _ASM_X86_MMZONE_32_H */