Changes

Total number of RAM pages used by processes in this a container.

For [[VSwap]]-enabled kernels, the <code>barrier</code> should be set to 0,and the <code>limit</code> limits the total size of RAM used by a container. For older kernels, <code>Physpagesphyspages</code> is an accounting-only parameter currently.In future OpenVZ releases, this parameter will allow to provide guaranteedamount of application memory, residing in RAM and not swappable.For compatibility with future versions, the The <code>barrier</code> of thisparameter should be set to <code>0</code> and the <code>limit</code> tothe maximal allowed value 'unlimited' ([[LONG_MAX]]).