On Tue, 2011-02-22 at 08:36 +0200, Or Gerlitz wrote: > David Dillow wrote: > > It looks like I can only have up to 256 keys for each fast page > > registration MR, so that seems to limit the mappings in flight > > My understanding is that for --specific-- MR, its associated rkey would > wrap every 256 mappings see ib_update_fast_reg_key and friends. And > anyway, for specific MR you can have only one mapping living at any > point of time (e.g set before sending the request, invalidated remotely > with the response or locally after getting the response)
Thanks for the note Or -- you confirmed my suspensions after testing last night. Looks like multiple MRs per request, then. -- Dave Dillow National Center for Computational Science Oak Ridge National Laboratory (865) 241-6602 office -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
