diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index e0fdffa..c31fc54 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -562,10 +562,11 @@
 
 int line_config(struct line *lines, unsigned int num, char *str)
 {
-	char *new = uml_strdup(str);
+	char *new;
 
+	new = kstrdup(str, GFP_KERNEL);
 	if(new == NULL){
-		printk("line_config - uml_strdup failed\n");
+		printk("line_config - kstrdup failed\n");
 		return -ENOMEM;
 	}
 	return !line_setup(lines, num, new, 0);
@@ -677,10 +678,9 @@
 		INIT_LIST_HEAD(&line->chan_list);
 		spin_lock_init(&line->lock);
 		if(line->init_str != NULL){
-			line->init_str = uml_strdup(line->init_str);
+			line->init_str = kstrdup(line->init_str, GFP_KERNEL);
 			if(line->init_str == NULL)
-				printk("lines_init - uml_strdup returned "
-				       "NULL\n");
+				printk("lines_init - kstrdup returned NULL\n");
 		}
 	}
 }
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 12c9536..b367864 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -563,7 +563,7 @@
 	}
 
 	if(notify_socket != NULL){
-		notify_socket = uml_strdup(notify_socket);
+		notify_socket = kstrdup(notify_socket, GFP_KERNEL);
 		if(notify_socket != NULL)
 			mconsole_notify(notify_socket, MCONSOLE_SOCKET,
 					mconsole_socket_name, 
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 84c73a3..29785f6 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -586,7 +586,7 @@
 	err = eth_parse(str, &n, &str);
 	if(err) return(err);
 
-	str = uml_strdup(str);
+	str = kstrdup(str, GFP_KERNEL);
 	if(str == NULL){
 		printk(KERN_ERR "net_config failed to strdup string\n");
 		return(-1);
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 9389891..1fe0dcd 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -706,7 +706,7 @@
 {
 	int n, err;
 
-	str = uml_strdup(str);
+	str = kstrdup(str, GFP_KERNEL);
 	if(str == NULL){
 		printk(KERN_ERR "ubd_config failed to strdup string\n");
 		return(1);