How do I customize Win7 pagefile to work like WinXP pagefile?

Hi, Sorry if someone had asked this before, but I'm looking for a very specific answer. There are many threads of people asking about Win7 pagefile, but none talked about exactly what I'm trying to do. In WinXP, I like to set my pagefile to the minimum size and then let it grow when needed. The XP pagefile will grow when needed and shrinks back down when not needed. In Win7, the...