MiFindClearVadBitsAligned

NTSTATUS __stdcall MiFindClearVadBitsAligned(_RTL_BITMAP *BitMap, UINT64 Alignment, UINT64 BitsNeeded, UINT64 Hint){
  UINT64 v4; 
  UINT64 v6; 
  UINT64 v7; 
  UINT64 v8; 
  unsigned int *Buffer; 
  unsigned int *v10; 
  UINT64 i; 

  v4 = *(_QWORD *)&BitMap->SizeOfBitMap;
  v6 = Alignment >> 16;
  if( BitsNeeded >= *(_QWORD *)&BitMap->SizeOfBitMap )
    return -1;
  v7 = v6;
  v8 = v4 - BitsNeeded;
  if( Hint > v6 && Hint < v4 )
    v7 = ~(v6 - 1) & (v6 + Hint - 1);
  if( v7 > v8 )
    return -1;
  Buffer = BitMap->Buffer;
  while( 1 )
  {
    v10 = &Buffer[v7 >> 5];
    for( i = 0i64; i < BitsNeeded; i += 32i64 )
    {
      if( *v10 )
        break;
      ++v10;
    }
    if( i == BitsNeeded )
      break;
    v7 = v6 + (~(v6 - 1) & (i + v7));
    if( v7 > v8 )
      return -1;
  }
  return v7;
}

Referenced by: