Messages in this thread | | | Date | Mon, 09 Jul 2007 19:29:00 +1000 | From | Nick Piggin <> | Subject | Re: [RFC/PATCH] Use mmu_gather for fork() instead of flush_tlb_mm() |
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Benjamin Herrenschmidt wrote: > On Mon, 2007-07-09 at 17:39 +1000, Nick Piggin wrote: > > >>Would it be better off to start off with a new API for this? The >>mmu gather I think is traditionally entirely for dealing with >>page removal... > > > It would be weird because the new API would mostly duplicate this one, > and we would end up with duplicated hooks..
They could just #define one to the other though, there are only a small number of them. Is there a downside to not making them distinct? i386 for example probably would just keep doing a tlb flush for fork and not want to worry about touching the tlb gather stuff.
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