topology.h

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#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;

    if (node == -1)
        return cpu_all_mask;

    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 */