tree 739e8af712520b5b7aed4118838a28485a9618d2
parent 6f8a177c6c8131548ec035cde8eba6a7952989d5
author Barret Rhoden <brho@cs.berkeley.edu> 1568410078 -0400
committer Barret Rhoden <brho@cs.berkeley.edu> 1570569071 -0400

arena: use the entire imported span

The source arena will round up to its quantum.  However, we would only
know that we got 'import_size', but we might get far more than that from
the parent.  If we round-up in advance, we'll know how much we are
getting.

Signed-off-by: Barret Rhoden <brho@cs.berkeley.edu>