Messages in this thread | | | Date | Thu, 20 Sep 2007 10:50:21 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [13/17] Virtual compound page freeing in interrupt context |
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On Wed, 19 Sep 2007, Nick Piggin wrote:
> > Removing a virtual mappping *must* be done with interrupts enabled > > since tlb_xx functions are called that rely on interrupts for > > processor to processor communications. > > These things will clash drastically with my lazy TLB flushing and scalability > work. Actually the lazy TLB flushing will provide a natural way to defer > unmapping at interrupt time, and the scalability work should make it > easier to vmap from interrupt context too, if you really need that.
Both would be good to have.
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