L3 Cache

Simon Waters simonw at zynet.net
Fri Feb 12 11:46:07 CST 2010


Basic question - mostly curiosity driven.

An SC1425 with Debian stock kernel 2.6.26-2-bigmem reports that the Xeon 
2.8GHz processors have their 8MiB L3 cache disabled according to lshw.

Is this normal for Linux and/or on this hardware?

Does anyone know a good reference site or explanation for when L3 cache is 
disabled/enabled.

 Simon, sure this is the kind of thing he ought to already know.



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