Re: [PATCH] export notifier #1

Christoph Lameter
2008-01-24T20:07:52Z

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.