docs: def meminfo():
      '''
      Return information about physical and virtual memory on the system
  
      Returns:
          dict: A dictionary of information about memory on the system
  
      CLI Example:
  
      .. code-block:: bash
  
          salt * status.meminfo
      '''
      # Get physical memory
      vm_total, vm_available, vm_percent, vm_used, vm_free = psutil.virtual_memory()
      # Get swap memory
      swp_total, swp_used, swp_free, swp_percent, _, _ = psutil.swap_memory()
  
      def get_unit_value(memory):
          symbols = ('K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y')
          prefix = {}
          for i, s in enumerate(symbols):
              prefix[s] = 1 << (i + 1) * 10
          for s in reversed(symbols):
              if memory >= prefix[s]:
                  value = float(memory) / prefix[s]
                  return {'unit': s,
                          'value': value}
          return {'unit': 'B',
                  'value': memory}
  
      return {'VmallocTotal': get_unit_value(vm_total),
              'VmallocUsed': get_unit_value(vm_used),
              'VmallocFree': get_unit_value(vm_free),
              'VmallocAvail': get_unit_value(vm_available),
              'SwapTotal': get_unit_value(swp_total),
              'SwapUsed': get_unit_value(swp_used),
              'SwapFree': get_unit_value(swp_free)}