mmap len limits

[Alex Merritt]

Hi,

In MMAP(2) it states "len is limited to 2GB" as offsets are 32-bit. Should
this be saying the offset is limited to 2G, or is this statement correct?

Why can sys_mmap not simply accept any len, then repeatedly call kern_mmap
across the range in 2GB chunks, keeping this transparent to the user?

-Alex
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