# File lib/facter/util/memory.rb, line 43
43:   def self.vmstat_find_free_memory()
44:     row = Facter::Util::Resolution.exec('vmstat').split("\n")[-1]
45:     if row =~ /^\s*\d+\s*\d+\s*\d+\s*\d+\s*(\d+)/
46:       Facter.add("MemoryFree") do
47:         memfree = $1
48:         setcode do
49:           Facter::Memory.scale_number(memfree.to_f, "kB")
50:         end
51:       end
52:     end
53:   end