add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/powerpc/include/asm/topology.h
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@@ -36,7 +36,7 @@
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 				 cpu_all_mask :				\
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 				 cpumask_of_node(pcibus_to_node(bus)))
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-extern int cpu_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc);
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+int cpu_relative_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc);
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 extern int __node_distance(int, int);
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 #define node_distance(a, b) __node_distance(a, b)
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@@ -64,6 +64,7 @@
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 }
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 int of_drconf_to_nid_single(struct drmem_lmb *lmb);
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+void update_numa_distance(struct device_node *node);
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 #else
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@@ -83,7 +84,7 @@
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 static inline void update_numa_cpu_lookup_table(unsigned int cpu, int node) {}
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-static inline int cpu_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc)
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+static inline int cpu_relative_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc)
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 {
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 	return 0;
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 }
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@@ -93,6 +94,7 @@
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 	return first_online_node;
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 }
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+static inline void update_numa_distance(struct device_node *node) {}
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 #endif /* CONFIG_NUMA */
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 #if defined(CONFIG_NUMA) && defined(CONFIG_PPC_SPLPAR)