Justin C. Miller fc16ed54b3 [kernel] Change VMA syscall addr param to inout ...

This change allows the `vma_map` and `vma_create_map` syscalls to map to
addresses other than the one specified, and therefore makes the address
parameter to those syscalls `inout` in order to return the mapped
address.

Also add the `exact` flag for specifying that mapping needs to be done
at the exact address given. If the mapping collides with another, the
new `j6_err_collision` error is returned.

2023-08-31 19:40:02 -07:00

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