MmRemovePhysicalMemory

NTSTATUS __stdcall MmRemovePhysicalMemory(PPHYSICAL_ADDRESS StartAddress, PLARGE_INTEGER NumberOfBytes){
  unsigned __int64 QuadPart; 
  unsigned __int64 v4; 
  UINT64 SizeInPages; 
  INT64 v6; 
  bool v7; 
  UINT64 v8; 
  NTSTATUS result; 
  UINT64 v10; 
  int v11; 
  NTSTATUS v12; 
  UINT64 PreferredNode; 
  UINT64 PreferredChannel; 
  UINT64 Flags; 
  LONGLONG BugCheckParameter2; 
  _MI_PARTITION *BugCheckParameter2a; 
  QuadPart = NumberOfBytes->QuadPart;
  v4 = StartAddress->QuadPart;
  SizeInPages = QuadPart >> 12;
  BugCheckParameter2 = StartAddress->QuadPart;
  v6 = (unsigned int)StartAddress->QuadPart;
  v7 = (BugCheckParameter2 & 1) != 0 && (BugCheckParameter2 & 0xFFF) != 0;
  if( v7 )
  {
    v6 = (unsigned int)v6 & 0xFFFFFFFE;
    LODWORD(BugCheckParameter2) = v6;
    v4 = BugCheckParameter2;
  }
  v8 = v4 >> 12;
  BugCheckParameter2a = (_MI_PARTITION *)v8;
  if( v8 >= v8 + SizeInPages )
    return -1073741585;
  if( v7 )
  {
    result = MiRemoveBadPages(v6, v8, SizeInPages);
  }
  else
  {
    LODWORD(Flags) = 202375168;
    LODWORD(PreferredChannel) = 0x80000000;
    LODWORD(PreferredNode) = 0x80000000;
    result = MiFindContiguousPages(
               (_MI_PARTITION *)&MiSystemPartition,
               v8,
               v8 + SizeInPages - 1,
               0i64,
               SizeInPages,
               MiCached,
               PreferredNode,
               PreferredChannel,
               Flags,
               0i64);
  }
  if( result >= 0 )
  {
    MiRemovePhysicalMemory((UINT64)BugCheckParameter2a, SizeInPages, 0x10ui64);
    v12 = v11;
    if( v11 < 0 )
    {
      if( v7 )
        MiReturnBadPagesToBadList((INT64)BugCheckParameter2a, SizeInPages);
      else
        MiFreeContiguousPages(BugCheckParameter2a, SizeInPages, v10);
    }
    else
    {
      NumberOfBytes->QuadPart = SizeInPages << 12;
    }
    return v12;
  }
  return result;
}

Referenced by: