tree d35dcea5dfee133be38c689a4114868aef847252
parent 9a6384be34ab0a75dbf839b03b1f4aed4f30a5bf
author Andrew Scull <ascull@google.com> 1544102950 +0000
committer Andrew Scull <ascull@google.com> 1546443807 +0000

Allow memory pools to have a fallback.

If it runs out of memory, it will try and allocate from its fallback.
Freed memory is not returned to the fallback until it is finalised.

Change-Id: Ib63ae95321d5d70931dedda3c5f9267caec82b2d