#ifndef _ASM_POWERPC_TOPOLOGY_H #define _ASM_POWERPC_TOPOLOGY_H #include <linux/config.h> #ifdef CONFIG_NUMA #include <asm/mmzone.h> static inline int cpu_to_node(int cpu) { int node; node = numa_cpu_lookup_table[cpu]; #ifdef DEBUG_NUMA BUG_ON(node == -1); #endif return node; } #define parent_node(node) (node) static inline cpumask_t node_to_cpumask(int node) { return numa_cpumask_lookup_table[node]; } static inline int node_to_first_cpu(int node) { cpumask_t tmp; tmp = node_to_cpumask(node); return first_cpu(tmp); } #define pcibus_to_node(node) (-1) #define pcibus_to_cpumask(bus) (cpu_online_map) #define nr_cpus_node(node) (nr_cpus_in_node[node]) /* sched_domains SD_NODE_INIT for PPC64 machines */ #define SD_NODE_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ .parent = NULL, \ .groups = NULL, \ .min_interval = 8, \ .max_interval = 32, \ .busy_factor = 32, \ .imbalance_pct = 125, \ .cache_hot_time = (10*1000000), \ .cache_nice_tries = 1, \ .per_cpu_gain = 100, \ .flags = SD_LOAD_BALANCE \ | SD_BALANCE_EXEC \ | SD_BALANCE_NEWIDLE \ | SD_WAKE_IDLE \ | SD_WAKE_BALANCE, \ .last_balance = jiffies, \ .balance_interval = 1, \ .nr_balance_failed = 0, \ } #else #include <asm-generic/topology.h> #endif /* CONFIG_NUMA */ #endif /* _ASM_POWERPC_TOPOLOGY_H */