diff --git a/sys/kern/kern_timeout.c b/sys/kern/kern_timeout.c
index 905e24a1381..b503633e5e0 100644
--- a/sys/kern/kern_timeout.c
+++ b/sys/kern/kern_timeout.c
@@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$");
 #if defined(__arm__)
 #include "opt_timer.h"
 #endif
+#include "opt_rss.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -104,8 +105,13 @@ static int ncallout;
 SYSCTL_INT(_kern, OID_AUTO, ncallout, CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &ncallout, 0,
     "Number of entries in callwheel and size of timeout() preallocation");
 
+#ifdef	RSS
+static int pin_default_swi = 1;
+static int pin_pcpu_swi = 1;
+#else
 static int pin_default_swi = 0;
 static int pin_pcpu_swi = 0;
+#endif
 
 SYSCTL_INT(_kern, OID_AUTO, pin_default_swi, CTLFLAG_RDTUN | CTLFLAG_NOFETCH, &pin_default_swi,
     0, "Pin the default (non-per-cpu) swi (shared with PCPU 0 swi)");