<dd> The optional <code>hard_limit</code> element is the maximum memory
the guest can use. The units for this value are kibibytes (i.e. blocks
of 1024 bytes). <strong>However, users of QEMU and KVM are strongly
- advised not to set this limit as domain may get killed by the kernel.
- To determine the memory needed for a process to run is
+ advised not to set this limit as domain may get killed by the kernel
+ if the guess is too low. To determine the memory needed for a process
+ to run is an
<a href="http://en.wikipedia.org/wiki/Undecidable_problem">
undecidable problem</a>.</strong></dd>
<dt><code>soft_limit</code></dt>