diff --git a/rootdir/bin/init.qcom.post_boot.sh b/rootdir/bin/init.qcom.post_boot.sh
index 0b1d2db7..f38fe2e5 100755
--- a/rootdir/bin/init.qcom.post_boot.sh
+++ b/rootdir/bin/init.qcom.post_boot.sh
@@ -401,24 +401,22 @@ function configure_read_ahead_kb_values() {
     MemTotalStr=`cat /proc/meminfo | grep MemTotal`
     MemTotal=${MemTotalStr:16:8}
 
+    dmpts=$(ls /sys/block/*/queue/read_ahead_kb | grep -e dm -e mmc)
+
     # Set 128 for <= 3GB &
     # set 512 for >= 4GB targets.
     if [ $MemTotal -le 3145728 ]; then
         echo 128 > /sys/block/mmcblk0/bdi/read_ahead_kb
-        echo 128 > /sys/block/mmcblk0/queue/read_ahead_kb
         echo 128 > /sys/block/mmcblk0rpmb/bdi/read_ahead_kb
-        echo 128 > /sys/block/mmcblk0rpmb/queue/read_ahead_kb
-        echo 128 > /sys/block/dm-0/queue/read_ahead_kb
-        echo 128 > /sys/block/dm-1/queue/read_ahead_kb
-        echo 128 > /sys/block/dm-2/queue/read_ahead_kb
+        for dm in $dmpts; do
+            echo 128 > $dm
+        done
     else
         echo 512 > /sys/block/mmcblk0/bdi/read_ahead_kb
-        echo 512 > /sys/block/mmcblk0/queue/read_ahead_kb
         echo 512 > /sys/block/mmcblk0rpmb/bdi/read_ahead_kb
-        echo 512 > /sys/block/mmcblk0rpmb/queue/read_ahead_kb
-        echo 512 > /sys/block/dm-0/queue/read_ahead_kb
-        echo 512 > /sys/block/dm-1/queue/read_ahead_kb
-        echo 512 > /sys/block/dm-2/queue/read_ahead_kb
+        for dm in $dmpts; do
+            echo 512 > $dm
+        done
     fi
 }