Changes

# entries which name has word 'page' are measured in [[memory page]]s (4K on x86 and x86_64, 16K for IA64). These are <code>privvmpages</code>, <code>oomguarpages </code> and others.# entries with names like 'num*' are measured in items. i.e. <code>numproc </code> - number of processes, <code>numiptent </code> - number of iptables entries.# other entries like <code>kmemsize</code>, <code>tcprcvbuf</code>, <code>tcpsndbuf </code> are measured in bytes