Re: [PATCH 01 of 12] Core of mmu notifiers

[Jack Steiner]

On Tue, Apr 22, 2008 at 06:07:27PM -0500, Robin Holt wrote:
> > The only other change I did has been to move mmu_notifier_unregister
> > at the end of the patchset after getting more questions about its
> > reliability and I documented a bit the rmmod requirements for
> > ->release. we'll think later if it makes sense to add it, nobody's
> > using it anyway.
> 
> XPMEM is using it.  GRU will be as well (probably already does).

Yeppp.

The GRU driver unregisters the notifier when all GRU mappings
are unmapped. I could make it work either way - either with or without
an unregister function. However, unregister is the most logical
action to take when all mappings have been destroyed.


--- jack
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