On 15 September 2020 16:08:55 BST, Phil Chang <phil.chang@xxxxxxxxxxxx> wrote: >Allowing the DMA32 zone be configurable in ARM64 but at most 4Gb. I don't think 4,000,000 bits is a particularly sensible limit. Perhaps you meant bytes, and perhaps you meant 4*1024*1024? That would be "4 GiB". -- Sent from my Android device with K-9 Mail. Please excuse my brevity.