On Nov 1, 2010, at 8:55 AM, Eduardo Horvath wrote: > On Mon, 1 Nov 2010, Masao Uebayashi wrote: > >> I think pmap_extract(9) is a bad API. >> >> After MD bootstrap code detects all physical memories, it gives >> all the informations to UVM, including available KVA. At this >> point UVM knows all the available resources of virtual/physical >> addresses. UVM is responsible to manage all of these. > > This is managed RAM. What about I/O pages?
Indeed. Also consider that pmap's are designed to have to have fast V->P translations, using that instead of UVM makes a lot of sense.
