case, all of the functionality needed for project 2 must work in your
filesys submission. If you build on project 3, then all of the project
3 functionality must work also, and you will need to edit
-@file{filesys/Make.vars} to enable VM functionality. A small amount of
-extra credit is available if you do build on project 3.
+@file{filesys/Make.vars} to enable VM functionality. You can receive up
+to 5% extra credit if you do enable VM.
@menu
* Project 4 Background::