The !dpa extension displays pool allocation information.
!dpa Options !dpa -?
Must be exactly one of the following options:
Displays current pool allocation statistics.
Displays all current pool allocations.
Causes the display to include stack traces.
Displays failed pool allocations.
Displays free pool allocations.
-p **** Ptr
Displays all pool allocations that contain the pointer Ptr.
Displays some brief Help text for this extension in the Debugger Command window.
Windows XP and later
Pool instrumentation must be enabled in Win32k.sys in order for this extension to work.