... to the free, standby, or modified list. ■ Type The type of page represented by this PFN. (Types include active/valid, standby, modified, modified-no-write, free, zeroed, bad, and transition.) ... Windows are dynamically allocated, expanded, and freed whenever a callback to user mode is performed and/ or returns, or when a driver performs a callback and requests stack expansion. For these ... Windows provides a way for user-mode processes and kernel-mode drivers to be notified when physical memory, paged pool, nonpaged pool, and commit charge are low and/ or plentiful. This information...