X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-x86_64%2Ftopology.h;h=2facec5914d2cb4793b96bc4cdfdbc908341b861;hb=refs%2Fheads%2Fvserver;hp=bb9a99ba2065546e4648f82fbdbce758a6b22ad5;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h index bb9a99ba2..2facec591 100644 --- a/include/asm-x86_64/topology.h +++ b/include/asm-x86_64/topology.h @@ -1,34 +1,72 @@ #ifndef _ASM_X86_64_TOPOLOGY_H #define _ASM_X86_64_TOPOLOGY_H -#include -#ifdef CONFIG_DISCONTIGMEM +#ifdef CONFIG_NUMA #include #include -/* Map the K8 CPU local memory controllers to a simple 1:1 CPU:NODE topology */ - extern cpumask_t cpu_online_map; extern unsigned char cpu_to_node[]; extern cpumask_t node_to_cpumask[]; +#ifdef CONFIG_ACPI_NUMA +extern int __node_distance(int, int); +#define node_distance(a,b) __node_distance(a,b) +/* #else fallback version */ +#endif + #define cpu_to_node(cpu) (cpu_to_node[cpu]) #define parent_node(node) (node) -#define node_to_first_cpu(node) (__ffs(node_to_cpumask[node])) +#define node_to_first_cpu(node) (first_cpu(node_to_cpumask[node])) #define node_to_cpumask(node) (node_to_cpumask[node]) +#define pcibus_to_node(bus) ((long)(bus->sysdata)) +#define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus)); -static inline unsigned long pcibus_to_cpumask(int bus) -{ - return mp_bus_to_cpumask[bus] & cpu_online_map; +#define numa_node_id() read_pda(nodenumber) + +/* sched_domains SD_NODE_INIT for x86_64 machines */ +#define SD_NODE_INIT (struct sched_domain) { \ + .span = CPU_MASK_NONE, \ + .parent = NULL, \ + .child = NULL, \ + .groups = NULL, \ + .min_interval = 8, \ + .max_interval = 32, \ + .busy_factor = 32, \ + .imbalance_pct = 125, \ + .cache_nice_tries = 2, \ + .busy_idx = 3, \ + .idle_idx = 2, \ + .newidle_idx = 0, \ + .wake_idx = 1, \ + .forkexec_idx = 1, \ + .per_cpu_gain = 100, \ + .flags = SD_LOAD_BALANCE \ + | SD_BALANCE_FORK \ + | SD_BALANCE_EXEC \ + | SD_SERIALIZE \ + | SD_WAKE_BALANCE, \ + .last_balance = jiffies, \ + .balance_interval = 1, \ + .nr_balance_failed = 0, \ } -#define NODE_BALANCE_RATE 30 /* CHECKME */ +#endif +#ifdef CONFIG_SMP +#define topology_physical_package_id(cpu) (cpu_data[cpu].phys_proc_id) +#define topology_core_id(cpu) (cpu_data[cpu].cpu_core_id) +#define topology_core_siblings(cpu) (cpu_core_map[cpu]) +#define topology_thread_siblings(cpu) (cpu_sibling_map[cpu]) +#define mc_capable() (boot_cpu_data.x86_max_cores > 1) +#define smt_capable() (smp_num_siblings > 1) #endif #include +extern cpumask_t cpu_coregroup_map(int cpu); + #endif