getPageCounts
Retrieve the number of resident and/or dirty pages encompassed by a memory descriptor.
Declaration
IOReturn getPageCounts(
IOByteCount *residentPageCount,
IOByteCount *dirtyPageCount);Parameters
- residentPageCount:
- If non-null, a pointer to a byte count that will return the number of resident pages encompassed by this IOMemoryDescriptor.
- dirtyPageCount:
- If non-null, a pointer to a byte count that will return the number of dirty pages encompassed by this IOMemoryDescriptor.
Return Value
An IOReturn code.
Overview
This method returns the number of resident and/or dirty pages encompassed by an IOMemoryDescriptor.