Re: Default cache_hot_time value back to 10ms

[Nick Piggin]

Con Kolivas wrote:

> Should it not be based on the cache flush time? We measure that and set 
> the cache_decay_ticks and can base it on that. What is the 
> cache_decay_ticks value reported in the dmesg of your hardware?

It should be, but the cache_decay_ticks calculation is so crude that I
preferred to use a fixed value to reduce the variation between different
setups.

I once experimented with attempting to figure out memory bandwidth based
on reading an uncached page. That might be the way to go.
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