diff -up ./lvm2c_install.orig ./lvm2c_install
--- ./lvm2c_install.orig	2018-08-29 13:56:33.000000000 -0600
+++ ./lvm2c_install	2018-08-29 13:55:18.000000000 -0600
@@ -3,9 +3,21 @@
 build() {
     local mod
     local symlink
+    local major
+    local minor
+    local dm_cache_smq
 
     # device mapper modules
-    for mod in dm-mod dm-snapshot dm-mirror dm-cache dm-cache-smq dm-thin-pool; do
+    major=$(echo $KERNELVERSION|awk 'BEGIN{FS="."}{print$1}')
+   minor=$(echo $KERNELVERSION|awk 'BEGIN{FS="."}{print$2}')
+
+    if [ $major -lt 4 -o \( $major -eq 4 -a $minor -lt 4 \) ]; then
+        dm_cache_smq='dm-cache-mq'
+    else
+        dm_cache_smq='dm-cache-smq'
+    fi
+
+    for mod in dm-mod dm-snapshot dm-mirror dm-cache $dm_cache_smq dm-thin-pool; do
         add_module "$mod"
     done
 
diff -up ./sd-lvm2c_install.orig ./sd-lvm2c_install
--- ./sd-lvm2c_install.orig	2018-08-29 13:56:27.000000000 -0600
+++ ./sd-lvm2c_install	2018-08-29 13:56:14.000000000 -0600
@@ -3,9 +3,22 @@
 build() {
     local mod
     local symlink
+    local major
+    local minor
+    local dm_cache_smq
 
     # device mapper modules
-    for mod in dm-mod dm-snapshot dm-mirror dm-cache dm-cache-smq dm-thin-pool; do
+    major=$(echo $KERNELVERSION|awk 'BEGIN{FS="."}{print$1}')
+    minor=$(echo $KERNELVERSION|awk 'BEGIN{FS="."}{print$2}')
+
+    if [ $major -lt 4 -o \( $major -eq 4 -a $minor -lt 4 \) ]; then
+        dm_cache_smq='dm-cache-mq'
+    else
+        dm_cache_smq='dm-cache-smq'
+    fi
+
+
+    for mod in dm-mod dm-snapshot dm-mirror dm-cache $dm_cache_smq dm-thin-pool; do
         add_module "$mod"
     done