diff --git a/init/init.kernel.post_boot.sh b/init/init.kernel.post_boot.sh
index 4bb8549..ea9b1fb 100755
--- a/init/init.kernel.post_boot.sh
+++ b/init/init.kernel.post_boot.sh
@@ -79,21 +79,13 @@ function configure_zram_parameters() {
 }
 
 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 -e sd)
 	# dmpts holds below read_ahead_kb nodes if exists:
 	# /sys/block/dm-0/queue/read_ahead_kb to /sys/block/dm-10/queue/read_ahead_kb
 	# /sys/block/sda/queue/read_ahead_kb to /sys/block/sdh/queue/read_ahead_kb
 
-	# Set 128 for <= 4GB &
-	# set 512 for >= 5GB targets.
-	if [ $MemTotal -le 4194304 ]; then
-		ra_kb=128
-	else
-		ra_kb=512
-	fi
+	ra_kb=128
+
 	if [ -f /sys/block/mmcblk0/bdi/read_ahead_kb ]; then
 		echo $ra_kb > /sys/block/mmcblk0/bdi/read_ahead_kb
 	fi