Index: sys/compat/freebsd32/freebsd32_systrace_args.c
===================================================================
--- sys/compat/freebsd32/freebsd32_systrace_args.c
+++ sys/compat/freebsd32/freebsd32_systrace_args.c
@@ -1578,7 +1578,7 @@
 	case 326: {
 		struct __getcwd_args *p = params;
 		uarg[0] = (intptr_t) p->buf; /* char * */
-		uarg[1] = p->buflen; /* u_int */
+		uarg[1] = p->buflen; /* size_t */
 		*n_args = 2;
 		break;
 	}
@@ -5809,7 +5809,7 @@
 			p = "userland char *";
 			break;
 		case 1:
-			p = "u_int";
+			p = "size_t";
 			break;
 		default:
 			break;
Index: sys/compat/freebsd32/syscalls.master
===================================================================
--- sys/compat/freebsd32/syscalls.master
+++ sys/compat/freebsd32/syscalls.master
@@ -583,7 +583,7 @@
 323	AUE_NULL	OBSOL	thr_wakeup
 324	AUE_MLOCKALL	NOPROTO	{ int mlockall(int how); }
 325	AUE_MUNLOCKALL	NOPROTO	{ int munlockall(void); }
-326	AUE_GETCWD	NOPROTO	{ int __getcwd(char *buf, u_int buflen); }
+326	AUE_GETCWD	NOPROTO	{ int __getcwd(char *buf, size_t buflen); }
 
 327	AUE_NULL	NOPROTO	{ int sched_setparam (pid_t pid, \
 				    const struct sched_param *param); }
Index: sys/kern/syscalls.master
===================================================================
--- sys/kern/syscalls.master
+++ sys/kern/syscalls.master
@@ -571,7 +571,7 @@
 323	AUE_NULL	OBSOL	thr_wakeup
 324	AUE_MLOCKALL	STD	{ int mlockall(int how); }
 325	AUE_MUNLOCKALL	STD	{ int munlockall(void); }
-326	AUE_GETCWD	STD	{ int __getcwd(char *buf, u_int buflen); }
+326	AUE_GETCWD	STD	{ int __getcwd(char *buf, size_t buflen); }
 
 327	AUE_NULL	STD	{ int sched_setparam (pid_t pid, \
 				    const struct sched_param *param); }
Index: sys/kern/systrace_args.c
===================================================================
--- sys/kern/systrace_args.c
+++ sys/kern/systrace_args.c
@@ -1612,7 +1612,7 @@
 	case 326: {
 		struct __getcwd_args *p = params;
 		uarg[0] = (intptr_t) p->buf; /* char * */
-		uarg[1] = p->buflen; /* u_int */
+		uarg[1] = p->buflen; /* size_t */
 		*n_args = 2;
 		break;
 	}
@@ -5872,7 +5872,7 @@
 			p = "userland char *";
 			break;
 		case 1:
-			p = "u_int";
+			p = "size_t";
 			break;
 		default:
 			break;
Index: sys/kern/vfs_cache.c
===================================================================
--- sys/kern/vfs_cache.c
+++ sys/kern/vfs_cache.c
@@ -2045,8 +2045,8 @@
 }
 
 int
-kern___getcwd(struct thread *td, char *buf, enum uio_seg bufseg, u_int buflen,
-    u_int path_max)
+kern___getcwd(struct thread *td, char *buf, enum uio_seg bufseg, size_t buflen,
+    size_t path_max)
 {
 	char *bp, *tmpbuf;
 	struct filedesc *fdp;
Index: sys/sys/syscallsubr.h
===================================================================
--- sys/sys/syscallsubr.h
+++ sys/sys/syscallsubr.h
@@ -59,7 +59,7 @@
 struct __wrusage;
 
 int	kern___getcwd(struct thread *td, char *buf, enum uio_seg bufseg,
-	    u_int buflen, u_int path_max);
+	    size_t buflen, size_t path_max);
 int	kern_accept(struct thread *td, int s, struct sockaddr **name,
 	    socklen_t *namelen, struct file **fp);
 int	kern_accept4(struct thread *td, int s, struct sockaddr **name,
Index: sys/sys/sysproto.h
===================================================================
--- sys/sys/sysproto.h
+++ sys/sys/sysproto.h
@@ -850,7 +850,7 @@
 };
 struct __getcwd_args {
 	char buf_l_[PADL_(char *)]; char * buf; char buf_r_[PADR_(char *)];
-	char buflen_l_[PADL_(u_int)]; u_int buflen; char buflen_r_[PADR_(u_int)];
+	char buflen_l_[PADL_(size_t)]; size_t buflen; char buflen_r_[PADR_(size_t)];
 };
 struct sched_setparam_args {
 	char pid_l_[PADL_(pid_t)]; pid_t pid; char pid_r_[PADR_(pid_t)];