Re: [Lse-tech] [RFC][PATCH] Change pcibus_to_cpumask() to pcibus_to_node()

[Martin J. Bligh]

>> I wonder though if we shouldn't add
>> 
>>   ...
>> # ifdef CONFIG_NUMA
>>   int node; /* or nodemask_t if necessary */
>> # endif
>>   ...
>> 
>> to struct pci_bus instead?  That would make the existing code paths a little 
>> faster and avoid the need for a global array, which tends to lead to TLB 
>> misses.
> 
> I like that idea!  Stick a nodemask_t in struct pci_bus, initialize it
> to NODE_MASK_ALL.  If a particular arch wants to put something more
> accurate in there, then great, if not, we're just in the same boat we're
> in now.
> 
> Anyone else have opinions one way or the other on Jesse's idea?

Sounds great - if it's possible to add it to something more generic than
PCI, that'd be even better, but pci would still be very useful.

M.

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