code: def _gather_buffer_space():
      '''
      Gather some system data and then calculate
      buffer space.
  
      Result is in bytes.
      '''
      if HAS_PSUTIL and psutil.version_info >= (0, 6, 0):
          # Oh good, we have psutil. This will be quick.
          total_mem = psutil.virtual_memory().total
      else:
          # Avoid loading core grains unless absolutely required
          import platform
          import salt.grains.core
          # We need to load up ``mem_total`` grain. Let's mimic required OS data.
          os_data = {'kernel': platform.system()}
          grains = salt.grains.core._memdata(os_data)
          total_mem = grains['mem_total'] * 1024 * 1024
      # Return the higher number between 5% of the system memory and 10MiB
      return max([total_mem * 0.05, 10 << 20]f _gather_buffer_space():
      '''
      Gather some system data and then calculate
      buffer space.
  
      Result is in bytes.
      '''
      if HAS_PSUTIL and psutil.version_info >= (0, 6, 0):
          # Oh good, we have psutil. This will be quick.
          total_mem = psutil.virtual_memory().total
      else:
          # Avoid loading core grains unless absolutely required
          import platform
          import salt.grains.core
          # We need to load up ``mem_total`` grain. Let's mimic required OS data.
          os_data = {'kernel': platform.system()}
          grains = salt.grains.core._memdata(os_data)
          total_mem = grains['mem_total'] * 1024 * 1024
      # Return the higher number between 5% of the system memory and 10MiB
      return max([total_mem * 0.05, 10 << 20])
docs: Gather some system data and then calculate
      buffer space.
  
      Result is in bytes.