Re: [kvm-devel] [PATCH] export notifier #1

[Christoph Lameter]

On Thu, 24 Jan 2008, Andrea Arcangeli wrote:

> I think you should consider if you can also build a rmap per-MM like
> KVM does and index it by the virtual address like KVM does.

Yes we have that.

If we have that then we do not need the mmu_notifier. 
We could call it with a page parameter and then walk the KVM or XPmem 
reverse map to directly find all the ptes we need to clear. There is no 
need then to add a new field to the mm_struct.

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