Re: [bug] SLUB & freeing locks [was: Re: 2.6.23-rc1: known regressionswith patches]

[Christoph Lameter]

Note that debug_check... adds more code to the slab_free hotpath which 
will have a significant performance impact if lockdep is enabled.

Acked-by: Christoph Lameter <clameter@xxxxxxx>

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