[26-devel] v2.6 performance slowdown on MPC8xx: Measuring TLB cache misses

Joakim Tjernlund Joakim.Tjernlund at lumentis.se
Sun Apr 24 07:55:21 EST 2005

> On Apr 23, 2005, at 8:42 AM, Marcelo Tosatti wrote:
> >> Does CONFIG_PIN_TLB make a difference?
> >
> > No it does not.
> For some reason this option and code didn't make it from
> 2.4 to 2.6.  It should have some effect on small memory (16Mbyte)
> systems with processor that have more than 16 TLB entries.

Oh, but the CONFIG_PIN_TLB code in head_8xx.S is there. I guess something is missing.


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