From e9d0277639dea33bd2f8d28dfb39e609c4f5cfd7 Mon Sep 17 00:00:00 2001
From: Nick Metz <nmetz@Nicks-MacBook-Pro.local>
Date: Fri, 23 Nov 2018 14:57:22 +0100
Subject: [PATCH] feature commit #186 - set transparent_hugepage as kernel
 parameter in grub.conf

---
 README.rst              | 11 +++++++++++
 linux/system/kernel.sls |  1 +
 tests/pillar/system.sls |  1 +
 3 files changed, 13 insertions(+)

diff --git a/README.rst b/README.rst
index fabc83d7..e0f823d4 100644
--- a/README.rst
+++ b/README.rst
@@ -705,6 +705,17 @@ Configure kernel boot options:
             - spectre_v2=off
             - nopti
 
+Alternative way to set kernel boot options:
+
+.. code-block:: yaml
+
+    linux:
+      system:
+        kernel:
+          transparent_hugepage: always
+          elevator: deadline
+          isolcpu: 1,2,3,4
+
 CPU
 ~~~
 
diff --git a/linux/system/kernel.sls b/linux/system/kernel.sls
index 3dc30465..c4d181c8 100644
--- a/linux/system/kernel.sls
+++ b/linux/system/kernel.sls
@@ -6,6 +6,7 @@
 {%- set kernel_boot_opts = [] %}
 {%- do kernel_boot_opts.append('isolcpus=' ~ system.kernel.isolcpu) if system.kernel.isolcpu is defined %}
 {%- do kernel_boot_opts.append('elevator=' ~ system.kernel.elevator) if system.kernel.elevator is defined %}
+{%- do kernel_boot_opts.append('transparent_hugepage=' ~ system.kernel.transparent_hugepage) if system.kernel.transparent_hugepage is defined %}
 {%- do kernel_boot_opts.extend(system.kernel.boot_options) if system.kernel.boot_options is defined %}
 
 include:
diff --git a/tests/pillar/system.sls b/tests/pillar/system.sls
index 825b04b1..03ede585 100644
--- a/tests/pillar/system.sls
+++ b/tests/pillar/system.sls
@@ -37,6 +37,7 @@ linux:
     kernel:
       isolcpu: 1,2,3,4
       elevator: deadline
+      transparent_hugepage: always
       boot_options:
         - pti=off
         - spectre_v2=auto