VOID
MmUnmapIoSpace(
IN PVOID BaseAddress,
IN ULONG NumberOfBytes
);
MmUnmapIoSpace unmaps a specified range of physical addresses previously mapped by MmMapIoSpace.
Parameters
BaseAddress
Points to the base virtual address to which the physical pages were mapped.
NumberOfBytes
Specifies the number of bytes that were mapped.
Comments
Callers of MmUnmapIoSpace must be running at IRQL = PASSIVE_LEVEL.
See Also