diff --git a/mm/ksm.c b/mm/ksm.c
index ce9d1d2..56e92dc 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -240,7 +240,7 @@
 #define KSM_RUN_MERGE	1
 #define KSM_RUN_UNMERGE	2
 #define KSM_RUN_OFFLINE	4
-static unsigned long ksm_run = KSM_RUN_STOP;
+static unsigned long ksm_run = KSM_RUN_MERGE;
 static void wait_while_offlining(void);
 
 static DECLARE_WAIT_QUEUE_HEAD(ksm_thread_wait);