diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index 2fc454b62..e784ada2f 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
 Version 1.02.78 - 
 ===================================
+  Optimize out setting the same value or read_ahead.
   Add DM_ARRAY_SIZE public macro.
   Move syslog code out of signal handle in dmeventd.
   Add DM_TO_STRING public macro.
diff --git a/libdm/libdm-common.c b/libdm/libdm-common.c
index d18de9ce2..8d5eca884 100644
--- a/libdm/libdm-common.c
+++ b/libdm/libdm-common.c
@@ -1221,7 +1221,7 @@ static int _set_dev_node_read_ahead(const char *dev_name,
 		if (!get_dev_node_read_ahead(dev_name, major, minor, &current_read_ahead))
 			return_0;
 
-		if (current_read_ahead > read_ahead) {
+		if (current_read_ahead >= read_ahead) {
 			log_debug_activation("%s: retaining kernel read ahead of %" PRIu32
 				  " (requested %" PRIu32 ")",           
 				  dev_name, current_read_ahead, read_ahead);