Mozes si pozret aj sam vo Win kolko skutocne sa pouziva zo strankovacieho suboru, a pustit k tomu hru.
Pozor podla nizsieuvedeneho linku to NENI polozka "page file usage", lebo MS zas vtipkoval v nazvoch, ako vzdy :)
http://serverfault.com/questions/399855/how-much-s wap-is-being-used-on-windows

To get the actual amount of PageFile usage, start 'Performance Monitor' (perfmon.exe), and 'Add Counters' -> 'Paging File' -> 'Usage'.

It will give you the answer in %, but you know the total amount of paging file so you can calculate the exact amount of USED paging file (in MB).