DOCS-6130: THP ktune clarification

source/includes/steps-disable-thp-in-initd.yaml

@@ -83,4 +83,14 @@ action:
            - .. code:: sh
 
                 sudo chkconfig --add disable-transparent-hugepages
+---
+title: "Override tuned and ktune, if applicable"
+stepnum: 4
+level: 4
+ref: override-tuned-ktune
+action:
+  - pre: |
+      If you are using ``tuned`` or ``ktune`` (for example, if you are running
+      Red Hat or CentOS 6+) you must now configure them to preserve the above
+      settings.
 ...

source/tutorial/transparent-huge-pages.txt

@@ -16,18 +16,23 @@ with MongoDB.
 Init Script
 -----------
 
-Procedure
-~~~~~~~~~
+.. important::
+
+   If you are using ``tuned`` or ``ktune`` (for example, if you are running
+   Red Hat or CentOS 6+), you must additionally configure them so that THP is
+   not re-enabled. See :ref:`configure-thp-tuned`.
 
 .. include:: /includes/steps/disable-thp-in-initd.rst
 
+.. _configure-thp-tuned:
+
 Using ``tuned`` and ``ktune``
 -----------------------------
 
 .. important::
 
-   If installed, you must configure ``tuned`` and ``ktune`` to prevent them from
-   re-enabling THP.
+   If using ``tuned`` or ``ktune``, you must perform this step in addition
+   to installing the init script.
 
 ``tuned`` and ``ktune`` are dynamic kernel tuning tools available on Red Hat
 and CentOS that can disable transparent huge pages.