Eager Reservation Policy

Unlike lazy allocation, the eager reservation policy reserves a page of swap space for every page of anonymous memory that is allocated. Although this policy is expensive in terms of reserved disk space, it eliminates the chance that the memory manager will have to kill a process to reclaim virtual pages and free up swap space.

The eager reservation policy is set by default, although either the lazy or eager policy can be configured. For more information, see the System Tuning and Performance Management guide.