Index: sys/kern/systrace_args.c
===================================================================
--- sys/kern/systrace_args.c
+++ sys/kern/systrace_args.c
@@ -470,7 +470,7 @@
 	/* getgroups */
 	case 79: {
 		struct getgroups_args *p = params;
-		uarg[0] = p->gidsetsize; /* u_int */
+		iarg[0] = p->gidsetsize; /* int */
 		uarg[1] = (intptr_t)p->gidset; /* gid_t * */
 		*n_args = 2;
 		break;
@@ -478,7 +478,7 @@
 	/* setgroups */
 	case 80: {
 		struct setgroups_args *p = params;
-		uarg[0] = p->gidsetsize; /* u_int */
+		iarg[0] = p->gidsetsize; /* int */
 		uarg[1] = (intptr_t)p->gidset; /* gid_t * */
 		*n_args = 2;
 		break;
@@ -4122,7 +4122,7 @@
 	case 79:
 		switch (ndx) {
 		case 0:
-			p = "u_int";
+			p = "int";
 			break;
 		case 1:
 			p = "userland gid_t *";
@@ -4135,7 +4135,7 @@
 	case 80:
 		switch (ndx) {
 		case 0:
-			p = "u_int";
+			p = "int";
 			break;
 		case 1:
 			p = "userland gid_t *";
Index: sys/sys/sysproto.h
===================================================================
--- sys/sys/sysproto.h
+++ sys/sys/sysproto.h
@@ -284,11 +284,11 @@
 	char vec_l_[PADL_(char *)]; char * vec; char vec_r_[PADR_(char *)];
 };
 struct getgroups_args {
-	char gidsetsize_l_[PADL_(u_int)]; u_int gidsetsize; char gidsetsize_r_[PADR_(u_int)];
+	char gidsetsize_l_[PADL_(int)]; int gidsetsize; char gidsetsize_r_[PADR_(int)];
 	char gidset_l_[PADL_(gid_t *)]; gid_t * gidset; char gidset_r_[PADR_(gid_t *)];
 };
 struct setgroups_args {
-	char gidsetsize_l_[PADL_(u_int)]; u_int gidsetsize; char gidsetsize_r_[PADR_(u_int)];
+	char gidsetsize_l_[PADL_(int)]; int gidsetsize; char gidsetsize_r_[PADR_(int)];
 	char gidset_l_[PADL_(gid_t *)]; gid_t * gidset; char gidset_r_[PADR_(gid_t *)];
 };
 struct getpgrp_args {