I mean, it sounds like you're describing overcommit to me. Ask whatever large amount you want. Maybe even be like webkit and use overcommit for heap isolation.

I mean, it sounds like you're describing overcommit to me. Ask whatever large amount you want. Maybe even be like webkit and use overcommit for heap isolation. It works out great for the userspace case, until the limits are actually reached and you still have a failure problem, one probably harder to deal with than without overcommit.