MiDeleteAweInfoPages

NTSTATUS __stdcall MiDeleteAweInfoPages(_EX_CALLBACK_ROUTINE_BLOCK *CallBackBlock){
  _ETHREAD *CurrentThread; 
  NTSTATUS v2; 
  UINT64 v3; 
  __int64 v4; 
  _EX_CALLBACK_ROUTINE_BLOCK *v5; 
  _MI_PARTITION *v6; 
  _EX_CALLBACK_ROUTINE_BLOCK v7; 
  _RTL_BITMAP_EX *v8; 
  __int64 v9; 
  UINT64 SetBits; 
  UINT64 v11; 
  UINT64 NextForwardRunClear; 
  UINT64 SizeOfBitMap; 
  UINT64 v14; 
  UINT64 v15; 
  __int64 v16; 
  __int64 v17; 
  UINT64 v18; 
  _MMPFN *v19; 
  int v20; 
  _MMPFN *PfnDb; 
  __int64 v22; 
  _MI_PARTITION *v24; 
  _ETHREAD *v25; 
  UINT64 StartingRunIndex; 
  __int64 v28; 

  CurrentThread = (_ETHREAD *)KeGetCurrentThread();
  v2 = 0;
  StartingRunIndex = 0i64;
  v3 = 0i64;
  v4 = 0i64;
  v25 = CurrentThread;
  v5 = CallBackBlock;
  LODWORD(v6) = MiGetAweInfoPartition((INT64)CallBackBlock);
  v24 = v6;
  MiLockAwePagesExclusive((INT64)v5, (INT64)CurrentThread);
  ExGetCallBackBlockRoutine(v5);
  v7 = *v5;
  v8 = (_RTL_BITMAP_EX *)(v5 + 4);
  v28 = v9;
  if( (v7 & 1) == 0 || KeGetCurrentThread()->ApcState.Process->VadPhysicalPages )
  {
    do
    {
      SetBits = RtlFindSetBitsEx(v8, 1ui64, v3);
      v11 = SetBits;
      if( SetBits < v3 || SetBits == -1i64 )
        break;
      NextForwardRunClear = RtlFindNextForwardRunClearEx(v8, SetBits, &StartingRunIndex);
      SizeOfBitMap = StartingRunIndex;
      v14 = NextForwardRunClear;
      if( !NextForwardRunClear )
        SizeOfBitMap = v8->SizeOfBitMap;
      v15 = SizeOfBitMap - v11;
      RtlClearBitsEx(v8, v11, v15);
      v16 = v28;
      v3 = v11 + v15 + v14;
      v17 = v28 * v11;
      v4 += v28 * v15;
      v18 = 0i64;
      v19 = &MmGetPfnDb()[v17];
      v20 = *((unsigned __int8 *)&v19->u3 + 2) >> 6;
      if( v15 )
      {
        PfnDb = MmGetPfnDb();
        v22 = 48 * v28;
        do
        {
          if( *((unsigned __int8 *)&v19->u3 + 2) >> 6 != v20 )
          {
            MiFreeMdlPageRun(v17, v18, 0i64);
            v20 = *((unsigned __int8 *)&v19->u3 + 2) >> 6;
            v16 = v28;
            v18 = 0i64;
            v17 = v19 - PfnDb;
          }
          v18 += v16;
          v19 = (_MMPFN *)((char *)v19 + v22);
          --v15;
        }
        while( v15 );
        v5 = CallBackBlock;
        v8 = (_RTL_BITMAP_EX *)(CallBackBlock + 4);
      }
      MiFreeMdlPageRun(v17, v18, 0i64);
    }
    while( v3 < v8->SizeOfBitMap );
    if( v4 )
    {
      _InterlockedExchangeAdd64((volatile signed __int64 *)&v24->Vp.VadPhysicalPages, -v4);
      if( v24 == &Irp )
        _InterlockedExchangeAdd64((_QWORD *)&stru_140C4DB30 + 569, -v4);
    }
    CurrentThread = v25;
    v2 = v4;
  }
  MiUnlockAwePagesExclusive((INT64)v5, (INT64)CurrentThread);
  return v2;
}

Referenced by: