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by trumpdong 1 day ago
You don't need 4GB and it wastes memory to make pointers twice as big? Even Linux supports running 64-bit code in a 32-bit address space ("x32 ABI") for this reason.
1 comments

> Even Linux supports running 64-bit code in a 32-bit address space ("x32 ABI") for this reason.

I don't think that ever had much, if any, adoption and it looks like it will be removed in the next few releases.