diff --git a/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot b/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot
index f6701aa78..12888ba79 100755
--- a/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot
+++ b/xCAT-server/share/xcat/netboot/rh/dracut_033/xcatroot
@@ -10,7 +10,7 @@ XCATMASTER=$XCAT
 STATEMNT="$(getarg STATEMNT=)"
 rootlimit="$(getarg rootlimit=)"
 xcatdebugmode="$(getarg xcatdebugmode=)"
-
+rflags="$(getarg rootflags=)"
 getarg nonodestatus
 NODESTATUS=$?
 
@@ -77,10 +77,14 @@ if [ -r /rootimg.sfs ]; then
 elif [ -r /rootimg.cpio.gz ] || [ -r /rootimg.cpio.xz ]; then
     logger $SYSLOGHOST -t $log_label -p local4.info "Setting up RAM-root tmpfs on downloaded rootimg.cpio.[gz/xz]..."
     echo Setting up RAM-root tmpfs.
-    if [ -z $rootlimit ];then
-        mount -t tmpfs -o mode=755 rootfs $NEWROOT
+    rootopts="mode=755"
+    if [ -n "$rflags" ]; then
+        rootopts="$rootopts","$rflags"
+    fi
+    if [ -z "$rootlimit" ];then
+        mount -t tmpfs -o $rootopts rootfs $NEWROOT
     else
-        mount -t tmpfs -o mode=755,size=$rootlimit rootfs $NEWROOT
+        mount -t tmpfs -o "$rootopts",size=$rootlimit rootfs $NEWROOT
     fi
 
     cd $NEWROOT