>>>>> "Tony" == Luck, Tony <[EMAIL PROTECTED]> writes:
>> > IA64 has a 64KB page allocated for each cpu for the percpu >> data. Right > now we are using 28K-32K for the arch/ia64/configs/* >> variations. >> >> Could that be enlarged without too much trouble? Tony> If we stick to mapping it with a single TLB entry, then the next Tony> size up is 256K ... which is a pretty big jump. But the code Tony> that does the mapping is just about to be changed from a single Tony> locked TLB entry to a map-on-tlb-miss version (thanks to Ken Tony> Chen). Some small-ish additions to that code would allow an Tony> expansion to 128K by mapping each half with a 64K TLB entry on Tony> demand. 256KB * 1024 CPUs (or more) == verymightyhuge ..... I certainly wouldn't like to see this. Cheers, Jes - To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
