On 2019-04-06 16:19, Joel C. Ewing wrote:
Not worth the effort and risk for a measly doubling of virtual address space.
In fact, given the availability of 64-bit addressing, the 2 GB difference between 31-bit and 32-bit is just a blip. It's like attaching a garden shed to the Empire State Building. It's hard to imagine IBM seeing a compelling reason to do this instead of concentrating on exploiting 64-bit.
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