Merge pull request #3589 from vespa-engine/hmusum/resource-limit-memo…

…ry-for-small-nodes

Document memory resource limit for nodes with 8 Gib in Vespa Cloud

en/reference/services-content.html

@@ -1566,12 +1566,12 @@ <h2 id="resource-limits">resource-limits</h2>
     <tr><th>memory</th>
       <td>optional</td>
       <td>float<br/>[0, 1]</td>
-      <td>0.8</td>
+      <td>0.8/0.75</td>
       <td>
         <p id="memory">
           Fraction of physical memory that can be resident memory in anonymous mapping on a content node before feed is blocked.
           Total physical memory is sampled as the minimum of <code>sysconf(_SC_PHYS_PAGES) * sysconf(_SC_PAGESIZE)</code>
-          and the cgroup (v1 or v2) memory limit.
+          and the cgroup (v1 or v2) memory limit. Nodes with 8 Gib or less memory in Vespa Cloud has a limit of 0.75.
         </p>
       </td></tr>
   </tbody>