Re: [PATCH 1/6] mmput: use notifier chain to call subsystem exit handler.

[Joerg Roedel]

On Fri, Jun 27, 2014 at 10:00:19PM -0400, Jérôme Glisse wrote:
> Note that this patch also move the call to cleanup functions after
> exit_mmap so that new call back can assume that mmu_notifier_release
> have already been call. This does not impact existing cleanup functions
> as they do not rely on anything that exit_mmap is freeing. Also moved
> khugepaged_exit to exit_mmap so that ordering is preserved for that
> function.

What this patch does is duplicating the functionality of the
mmu_notifier_release call-back. Why is it needed?


	Joerg


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