Re: [PATCH 1 of 9] Lock the entire mm to prevent any mmu relatedoperation to happen

[Andrea Arcangeli]

On Wed, Apr 16, 2008 at 11:35:38AM -0700, Christoph Lameter wrote:
> On Wed, 16 Apr 2008, Robin Holt wrote:
> 
> > I don't think this lock mechanism is completely working.  I have
> > gotten a few failures trying to dereference 0x100100 which appears to
> > be LIST_POISON1.
> 
> How does xpmem unregistering of notifiers work?

Especially are you using mmu_notifier_unregister?
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