// wdm.h

NTSTATUS MmMapMemoryDumpMdlEx(
  PVOID      Va,
  PFN_NUMBER PageTotal,
  PMDL       MemoryDumpMdl,
  ULONG      Flags
);
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Windows Driver Kit DDI reference (nf-wdm-mmmapmemorydumpmdlex)

MmMapMemoryDumpMdlEx function

Description

The MmMapMemoryDumpMdlEx function maps an MDL into a specified virtual address.

Only one MDL can be mapped at a time. For use by crash dump, hibernate and live dump routines only.

Parameters

`Va`

Supplies the VA to map.

`PageTotal`

Supplies the total number of pages in the VA range.

`MemoryDumpMdl`

Supplies the MDL to map.

`Flags`

Supplies MM_DUMP_MAP_INVALIDATE to indicate the mapping PTEs should be zeroed and the local TB flushed.

Return value

This function returns NTSTATUS.

MmMapMemoryDumpMdlEx - NtDoc