* Nick Piggin <[email protected]> wrote:
> >cool. I was referring to something else: people were running -rt on
> >their beefy desktop boxes with several gigs of RAM they complained
> >about the slowdown that is caused by SLOB's linear list walking.
>
> That is what I meant by scalable to large memories. It is not perfect,
> but it is much better now. I noticed huge slowdowns too when test
> booting the slob RCU patch on my 4GB desktop, so I did a few things to
> improve freelist walking as well (the patches are in -mm, prefixed
> with slob-).
ah, good - i only looked at the upstream mm/slob.c git-log. I like those
4 slob-* patches in -mm: in particular slob-remove-bigblock-tracking.patch
and slob-rework-freelist-handling.patch are really elegant. Simplicity of
slob does not seem to suffer either.
Ingo
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