diff --git a/linux/HardDiskCaching.sls b/linux/HardDiskCaching.sls
new file mode 100644
index 0000000..4fbcd35
--- /dev/null
+++ b/linux/HardDiskCaching.sls
@@ -0,0 +1,20 @@
+{% if grains['kernel'] == 'Linux' %}
+  vm.dirty_background_ratio:
+    sysctl.present:
+      - value: 10
+  vm.dirty_background_bytes:
+    sysctl.present:
+      - value: 10
+  vm.dirty_ratio:
+    sysctl.present:
+      - value: 20
+  vm.dirty_bytes:
+    sysctl.present:
+      - value: 0
+  vm.dirty_writeback_centisecs:
+    sysctl.present:
+      - value: 500
+  vm.dirty_expire_centisecs:
+    sysctl.present:
+      - value: 3000
+{% endif %}