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Coda Highland <> writes:
> The problem is that on modern OSes, you can't assume that you can
> fit a 64-bit pointer in 48 bits.

My impression was that current implementations of the x86-64
architecture only use 48 bits of addresses, requiring the upper 16
bits to be identical.  Has this changed with very recent

> This is (part of) why LuaJIT demands to use the low 2GB.

Yeah the 2GB limitation is a huge lose... but that's obviously a lot
more restrictive than necessary...


Insurrection, n. An unsuccessful revolution.