Re: [patch] slub: default min_partial to at least highest cpus per node

[David Rientjes]

On Tue, 7 Apr 2009, Pekka Enberg wrote:

> > If you think that's acceptable, I'd be just as satisfied with that approach
> > as long as all archs have valid cpu_to_node() mappings at the time of
> > CPU_UP_PREPARE.
> 
> Well, that doesn't change the current behavior, so sure, I think it's
> acceptable. And if the new defaults seem reasonable enough, we can probably
> get rid of the tunable altogether.
> 

I'd like to remove MAX_PARTIAL and replace it with nr_cpu_ids.

The tunable still makes sense to increase slowpath performance by avoiding 
the page allocator on machines where memory is abundant.  That remains 
unchanged from when I added it.

> AFAICT, the Documentation/ABI directory is the right place for this kind of
> stuff.
> 

Ok.
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