Messages in this thread | | | Date | Fri, 17 Mar 2006 13:29:48 +0100 | From | Carsten Otte <> | Subject | Re: [patch] mspec - special memory driver and do_no_pfn handler |
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Linus Torvalds wrote: > Quite frankly, I don't think nopfn() is a good interface. It's only usable > for one single thing, so trying to claim that it's a generic VM op is > really not valid. If (and that's a big if) we need this interface, we > should just do it inside mm/memory.c instead of playing games as if it was > generic. Execute in place would be the second single thing we'll need it for. Also, I remember a statement from Anrd that it has value for SPUfs on Cell which does count as singe thing #3. With three single things at hand, I believe there is some sense in makeing it "a generic thing".
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