les used by a given <span class="productname">PostgreSQL</span> process.
        It should be noted that disk space used for explicit temporary
        tables, as opposed to temporary files used behind-the-scenes in query
        execution, does <span class="emphasis"><em>not</em></span> count against this limit.
       </p></dd></dl></div></div><div class="sect2" id="RUNTIME-CONFIG-RESOURCE-KERNEL"><div class="titlepage"><div><div><h3 class="title">20.4.3. Kernel Resource Usage <a href="#RUNTIME-CONFIG-RE