Re: [BENCHMARKS] 2.6.4 vs 2.6.4-mm1

[Nick Piggin]

Ingo Molnar wrote:

> your patch looks interesting. 

I'll see if I can get some numbers for it soon.

> wrt. making a fully scalable MM read side:
>
> perphaps RCU could be used to make lookup access to the vma tree and
> lookup of the pagetables lockless. This would make futexes (and
> pagefaults) fundamentally scalable.
>
> another option would be to introduce a rwsem which is read-scalable, but
> this would pessimise writes quite as bad as brlocks did. I'm not sure
> how acceptable that is.

It is a pretty silly benchmark. But I guess one day someone
is going to complain about mm scalability.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/