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

From: Christoph Lameter
Date: Tue Jan 29 2008 - 19:21:07 EST


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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