+-----------------+
| Var1 definition |
+-----------------+
| Var2 definition |
+-----------------+<- Heap Top
|                 |
|                 |
|                 |
|                 |
|                 |
|                 |
|                 |
|                 |
|-----------------|<- Watermark
|                 |
|                 |
|                 |
|                 |
+-----------------+<- Heap Bottom
| MMF Descriptor  |
+-----------------+