virtual IOReturn setPurgeable(IOOptionBits newState, IOOptionBits * oldState) APPLE_KEXT_OVERRIDE;
+ IOReturn setOwnership(task_t newOwner, int newLedgerTag, IOOptionBits newOptions);
+
/*! @function getPageCounts
* @abstract Retrieve the number of resident and/or dirty pages encompassed by an IOMemoryDescriptor.
* @discussion This method returns the number of resident and/or dirty pages encompassed by an IOMemoryDescriptor.