arena: use the entire imported span
authorBarret Rhoden <brho@cs.berkeley.edu>
Fri, 13 Sep 2019 21:27:58 +0000 (17:27 -0400)
committerBarret Rhoden <brho@cs.berkeley.edu>
Tue, 8 Oct 2019 21:11:11 +0000 (17:11 -0400)
commit7af6458111579bd2c8d6382958333edcb24f6634
tree739e8af712520b5b7aed4118838a28485a9618d2
parent6f8a177c6c8131548ec035cde8eba6a7952989d5
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>
kern/src/arena.c