| #ifndef _ASM_ALPHA_TOPOLOGY_H |
| #define _ASM_ALPHA_TOPOLOGY_H |
| |
| #include <linux/smp.h> |
| #include <linux/threads.h> |
| #include <asm/machvec.h> |
| |
| #ifdef CONFIG_NUMA |
| static inline int cpu_to_node(int cpu) |
| { |
| int node; |
| |
| if (!alpha_mv.cpuid_to_nid) |
| return 0; |
| |
| node = alpha_mv.cpuid_to_nid(cpu); |
| |
| #ifdef DEBUG_NUMA |
| BUG_ON(node < 0); |
| #endif |
| |
| return node; |
| } |
| |
| static inline cpumask_t node_to_cpumask(int node) |
| { |
| cpumask_t node_cpu_mask = CPU_MASK_NONE; |
| int cpu; |
| |
| for_each_online_cpu(cpu) { |
| if (cpu_to_node(cpu) == node) |
| cpu_set(cpu, node_cpu_mask); |
| } |
| |
| #ifdef DEBUG_NUMA |
| printk("node %d: cpu_mask: %016lx\n", node, node_cpu_mask); |
| #endif |
| |
| return node_cpu_mask; |
| } |
| |
| #define pcibus_to_cpumask(bus) (cpu_online_map) |
| |
| #else /* CONFIG_NUMA */ |
| # include <asm-generic/topology.h> |
| #endif /* !CONFIG_NUMA */ |
| |
| #endif /* _ASM_ALPHA_TOPOLOGY_H */ |