text: package system // import "github.com/docker/docker/pkg/system"
  
  // MemInfo contains memory statistics of the host system.
  type MemInfo struct {
  	// Total usable RAM (i.e. physical RAM minus a few reserved bits and the
  	// kernel binary code).
  	MemTotal int64
  
  	// Amount of free memory.
  	MemFree int64
  
  	// Total amount of swap space available.
  	SwapTotal int64
  
  	// Amount of swap space that is currently unused.
  	SwapFree int64
  }
  