BOOLEAN
ExIsObjectInFirstZoneSetment(
IN PZONE_HEADER Zone,
IN PVOID Object
);
ExIsObjectInFirstZoneSegment determines whether the given object was allocated from the original zone segment or from an extension to the zone.
ExIsObjectInFirstZoneSegment returns TRUE if the given object was allocated from the original zone segment.
Callers of ExIsObjectInFirstZoneSegment must be running at IRQL <= DISPATCH_LEVEL.