On Mon, 30 Apr 2007, Arjan van de Ven wrote:
> > Well the cache_reaper of SLAB hits hard todays anyways. This will help
> > if they switch to slub because the counter consolidation is much lighter
> > weight.
>
> it's not about the weight. It's about waking up *at all*. I've been working
> really hard to get a system with a reasonable average idle time (600ms+), but
> I obviously had to patch the SLAB reaper to be at a different resolution...
If you use SLUB then its going to be gone.
> > I am fine with delaying this. I just wanted the timer guys to have a chance
> > to shape this a bit. Not sure what they want. What they did to the
> > cache_reaper in 2.6.20/21 is bad.
>
> HUH? The cache_reaper DID NOT CHANGE with the round_jiffies() change.
> Before it had a 3 jiffies per cpu offset, after it has a 3 jiffies per cpu
> offset.
It seems that it does use round_jiffies_relative() instead?
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