f2db8a79_OS_X_Tips_Tweaks_and_Tutorials__What_the_data_means
[Subcategory] Limit [What the data means] 
Reports on the total amount of physical and virtual memory that is currently available for your PC, measured in kilobytes. To increase the limit, you can increase the Page File size (see article 4.9 “Optimize Your Swap File Size”) or add RAM to your system.
Windows Task Manager – Performance Monitoring Explained | Windows Vista,XP, Linux and OS X Tips,Tweaks and Tutorials
What the data means