Re: [patch 0/6] Per cpu structures for SLUB

On Thu, 23 Aug 2007, Peter Zijlstra wrote:

> while I like this patch set I'm at odds with the interaction of this and
> making the alloc/free fast paths lockless. 
> 
> The main race is s->cpu_slab[] and c->freelist. How does one close that
> gap?

By either reloading the cpu slab after disabling interupts (my initial 
approach) or by disabling preemption.

> (btw, have you looked at my -rt slub patch?)

I skimmed over it. Not sure what to make of it.

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• References:
  • [patch 0/6] Per cpu structures for SLUB
    • From: Christoph Lameter <[email protected]>
  • Re: [patch 0/6] Per cpu structures for SLUB
    • From: Peter Zijlstra <[email protected]>

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