Completely disable transparent hugepages.

teamclairvoyant · Jan 27, 2017 · c6d0f53 · c6d0f53
1 parent e4aa1a8
commit c6d0f53
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Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/disable_thp.sh b/disable_thp.sh
@@ -21,12 +21,15 @@ else
 fi
 if [ $OSREL == 6 ]; then
   echo never >/sys/kernel/mm/transparent_hugepage/defrag
+  echo never >/sys/kernel/mm/transparent_hugepage/enabled
   sed -i '/transparent_hugepage/d' /etc/rc.d/rc.local
   echo 'echo never >/sys/kernel/mm/transparent_hugepage/defrag' >>/etc/rc.d/rc.local
+  echo 'echo never >/sys/kernel/mm/transparent_hugepage/enabled' >>/etc/rc.d/rc.local
 else
   # http://www.certdepot.net/rhel7-rc-local-service/
   sed -i '/transparent_hugepage/d' /etc/rc.d/rc.local
   echo 'echo never >/sys/kernel/mm/transparent_hugepage/defrag' >>/etc/rc.d/rc.local
+  echo 'echo never >/sys/kernel/mm/transparent_hugepage/enabled' >>/etc/rc.d/rc.local
   chmod +x /etc/rc.d/rc.local
   systemctl start rc-local
 fi

diff --git a/evaluate.sh b/evaluate.sh
@@ -163,7 +163,10 @@ fi
 echo "****************************************"
 echo "*** Transparent Huge Pages defrag"
 echo "** running config:"
+echo "* defrag:"
 cat /sys/kernel/mm/transparent_hugepage/defrag
+echo "* enabled:"
+cat /sys/kernel/mm/transparent_hugepage/enabled
 echo "** startup config:"
 if [ \( "$OS" == RedHat -o "$OS" == CentOS \) -a "$OSREL" == 7 ]; then
   grep transparent_hugepage /etc/rc.d/rc.local