Re: [patch 2/6] mmu_notifier: Callbacks to invalidate address ranges

[Christoph Lameter]

On Wed, 30 Jan 2008, Andrea Arcangeli wrote:

> > invalidate_range after populate allows access to memory for which ptes 
> > were zapped and the refcount was released.
> 
> The last refcount is released by the invalidate_range itself.

That is true for your implementation and to address Robin's issues. Jack: 
Is that true for the GRU?

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