On Thu, 22 Feb 2007, Peter Zijlstra wrote:

quoted text
> On Wed, 2007-02-21 at 23:00 -0800, Christoph Lameter wrote:
> 
> > +/*
> > + * Lock order:
> > + *   1. slab_lock(page)
> > + *   2. slab->list_lock
> > + *
> 
> That seems to contradict this:

This is a trylock. If it fails then we can compensate by allocating
a new slab.
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