Re: [PATH] slab cleanup

From: Manfred Spraul (manfred@colorfullife.com)
Date: Mon Sep 30 2002 - 10:59:35 EST

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Martin J. Bligh wrote:
>>Could someone test that it works on real SMP?
>
>
> Tested on 16-way NUMA-Q (shows up races quicker than anything ;-)).
> Boots, compiles the kernel 5 times OK. That's good enough for me.
> No performance regression, in fact was marginally faster (within
> experimental error though).
>
Thanks for the test. NUMA is on my TODO list, after figuring out
where/how to drain cpu caches and the free list.

I've found one stupid bug with debugging enabled: the new debug code
tries to poison NULL pointers, with limited success :-(

And one limitation might be important for arch specific code:
kmem_cache_create() during mem_init() is not possible anymore.

-- Manfred

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