LXR linux/include/asm-alpha/topology.h

   1#ifndef _ASM_ALPHA_TOPOLOGY_H
   2#define _ASM_ALPHA_TOPOLOGY_H
   3
   4#include <linux/smp.h>
   5#include <linux/threads.h>
   6#include <asm/machvec.h>
   7
   8#ifdef CONFIG_NUMA
   9static inline int cpu_to_node(int cpu)
  10{
  11        int node;
  12        
  13        if (!alpha_mv.cpuid_to_nid)
  14                return 0;
  15
  16        node = alpha_mv.cpuid_to_nid(cpu);
  17
  18#ifdef DEBUG_NUMA
  19        BUG_ON(node < 0);
  20#endif
  21
  22        return node;
  23}
  24
  25static inline cpumask_t node_to_cpumask(int node)
  26{
  27        cpumask_t node_cpu_mask = CPU_MASK_NONE;
  28        int cpu;
  29
  30        for_each_online_cpu(cpu) {
  31                if (cpu_to_node(cpu) == node)
  32                        cpu_set(cpu, node_cpu_mask);
  33        }
  34
  35#ifdef DEBUG_NUMA
  36        printk("node %d: cpu_mask: %016lx\n", node, node_cpu_mask);
  37#endif
  38
  39        return node_cpu_mask;
  40}
  41
  42#define pcibus_to_cpumask(bus)  (cpu_online_map)
  43
  44#else /* CONFIG_NUMA */
  45# include <asm-generic/topology.h>
  46#endif /* !CONFIG_NUMA */
  47
  48#endif /* _ASM_ALPHA_TOPOLOGY_H */
  49