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topology.h

#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;
}

extern struct cpumask node_to_cpumask_map[];
/* FIXME: This is dumb, recalculating every time.  But simple. */
static const struct cpumask *cpumask_of_node(int node)
{
      int cpu;

      cpumask_clear(&node_to_cpumask_map[node]);

      for_each_online_cpu(cpu) {
            if (cpu_to_node(cpu) == node)
                  cpumask_set_cpu(cpu, node_to_cpumask_map[node]);
      }

      return &node_to_cpumask_map[node];
}

#define cpumask_of_pcibus(bus)      (cpu_online_mask)

#endif /* !CONFIG_NUMA */
# include <asm-generic/topology.h>

#endif /* _ASM_ALPHA_TOPOLOGY_H */

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