Re: [slub p4 1/7] slub: free slabs without holding locks (V2)

[Christoph Lameter]

On Sat, 20 Aug 2011, Pekka Enberg wrote:

> > static void free_partial(struct kmem_cache *s, struct kmem_cache_node *n)
> > {
>
> Is it possible to somehow verify that we're the last thread using the cache
> when SLUB debugging is enabled? It'd be useful for tracking down callers that
> violate this assumption.

Hmmm... We do not track "threads" using slabs. I do not really know what
the "thread" entity that would access a slab is? A subsystem? A kernel
thread? A user thread? All these can access any slab at any time.

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