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