On 07/23/2015 06:47 PM, Steve Wise wrote:
>> -----Original Message----- From: Doug Ledford
>> Should this be a static check of the pointer size versus installed
>> memory? Would it be possible to have this work for machines with
>> less than 4GB of physical memory even if they have 64bit pointers,
>> or are you concerned that hotplug memory could take us over the
>> limit after registration and cause problems?
>
> NFSRDMA doesn't need dma-mrs for T3 since it has FRMR + local dma
> lkey support. And since the deficiency really can cause problems on
> 64b systems if the memory grows > 4GB after dma-mr allocation, I
> decided to just not allow them for potential large memory systems.
Ok. I've pulled this for 4.2-rc then.
--
Doug Ledford <dledford@xxxxxxxxxx>
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