question: get zram disk size concode_field_sep int _compressedDataSize concode_elem_sep String ZRAMSTATFILE_ORIGINAL_DATA_SIZE concode_elem_sep int _diskSize concode_elem_sep String ZRAMSTATFILE_DISKSIZE concode_elem_sep int _memUsedTotal concode_elem_sep String ZRAMSTATFILE_COMPRESSED_DATA_SIZE concode_elem_sep int _originalDataSize concode_elem_sep String ZRAMSTATFILE_MEM_USED_TOTAL concode_field_sep int _getDiskSize concode_elem_sep int _getOriginalDataSize concode_elem_sep String getKernelVersion concode_elem_sep void clearCache concode_elem_sep int getMemUsedTotal concode_elem_sep int _getMemUsedTotal concode_elem_sep String getKernelVersionFromSystemProperty concode_elem_sep float getCompressionRatio concode_elem_sep String readFileAsString concode_elem_sep int getCompressedDataSize concode_elem_sep String getDeviceName concode_elem_sep int _getCompressedDataSize concode_elem_sep float getUsedRatio concode_elem_sep int getOriginalDataSize
target: int function ( ) { if ( _diskSize == 0 ) { _diskSize = _getDiskSize ( ) ; } return _diskSize ; }