Re: 2.6.15-rc5-rt2 slowness

[Ingo Molnar]

* Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> I ported your old changes of 2.6.14-rt22 of mm/slab.c to 
> 2.6.15-rc5-rt2 and tried it out.  I believe that this confirms that 
> the SLOB _is_ the problem in the slowness.  Booting with this slab 
> patch, gives the old speeds that we use to have.
> 
> Now, is the solution to bring the SLOB up to par with the SLAB, or to 
> make the SLAB as close to possible to the mainline (why remove NUMA?) 
> and keep it for PREEMPT_RT?
> 
> Below is the port of the slab changes if anyone else would like to see 
> if this speeds things up for them.

ok, i've added this back in - but we really need a cleaner port of SLAB 
...

	Ingo
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