On Sunday, March 13, 2005 5:57 pm, dann frazier wrote:
> +u8 cpu_to_node_map[NR_CPUS] __cacheline_aligned;
> +EXPORT_SYMBOL(cpu_to_node_map);
> +
> +cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned;
I'm trying to figure out why these are caheline aligned... they're ready-only
for after boot (hotplug aside), right? Do we see that a lot of cpu/node
local references to them occur? OTOH, the wastage isn't that big either
way...
> + for(cpu = 0; cpu < NR_CPUS; ++cpu) {
> + node = -1;
> + for (i = 0; i < NR_CPUS; ++i)
> + if (cpu_physical_id(cpu) == node_cpuid[i].phys_id) {
> + node = node_cpuid[i].nid;
Is there a for_each_node(n) now?
> + for (cpu = 0; cpu < NR_CPUS; cpu++)
> + per_cpu(local_per_cpu_offset, cpu) = __per_cpu_offset[cpu];
for_each_cpu here I think.
Not sure when Tony had this queued up, so we may have to rediff in a week or
two, otherwise it looks good.
Jess
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