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 <[email protected]> GPG KeyID: 0E572FDD
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