diff --git a/kernel/fork.c b/kernel/fork.c
index 8dd8ff2..09c0b90 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1059,6 +1059,11 @@
 	p->prev_utime = cputime_zero;
 	p->prev_stime = cputime_zero;
 
+#ifdef CONFIG_DETECT_SOFTLOCKUP
+	p->last_switch_count = 0;
+	p->last_switch_timestamp = 0;
+#endif
+
 #ifdef CONFIG_TASK_XACCT
 	p->rchar = 0;		/* I/O counter: bytes read */
 	p->wchar = 0;		/* I/O counter: bytes written */