MmUnlockPages function (wdm.h)
The MmUnlockPages routine unlocks the physical pages that are described by the specified memory descriptor list (MDL).
Syntax
void MmUnlockPages(
[in, out] PMDL MemoryDescriptorList
);
Parameters
[in, out] MemoryDescriptorList
A pointer to an MDL.
Return value
None
Remarks
The memory described by the specified MDL must have been locked previously by a call to MmProbeAndLockPages. If the specified MDL is mapped to system address space, MmUnlockPages releases this mapping before it unlocks the pages.
For more information, see Using MDLs.
Requirements
Minimum supported client | Available starting with Windows 2000. |
Target Platform | Universal |
Header | wdm.h (include Wdm.h, Ntddk.h, Ntifs.h) |
Library | NtosKrnl.lib |
DLL | NtosKrnl.exe |
IRQL | <=DISPATCH_LEVEL |
DDI compliance rules | HwStorPortProhibitedDDIs(storport) |
See also
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