MmFreeNonCachedMemory function (ntddk.h)
The MmFreeNonCachedMemory routine releases a range of noncached memory that was allocated by the MmAllocateNonCachedMemory routine.
Syntax
void MmFreeNonCachedMemory(
[in] PVOID BaseAddress,
[in] SIZE_T NumberOfBytes
);
Parameters
[in] BaseAddress
Pointer to the virtual address of the memory to be freed.
[in] NumberOfBytes
Specifies the size of the range to be freed. This value must match the size passed in a preceding call to MmAllocateNonCachedMemory.
Return value
None
Remarks
The MmFreeNonCachedMemory routine performs the opposite action of MmAllocateNonCachedMemory.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available starting with Windows 2000. |
| Target Platform | Universal |
| Header | ntddk.h (include Ntddk.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | <=APC_LEVEL |
| DDI compliance rules | HwStorPortProhibitedDDIs(storport), IrqlMmApcLte(wdm) |