Does facing fiberglass batts matter when installing from attic?

I would like to supplement some existing old woolly pellet insulation in my attic using 6" thick fiberglass batts. Since the size I need seems to only come faced, should I:

1. Face it up (facing the roof, opposite what it would be if I were installing it from the room below on its ceiling) and be able to staple it to joists, or
2. Face it down and not staple it, or
3. Peel the paper off?