diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index e0fdffa2d542b9a4353bd08912098eb06d17ecf3..c31fc541e2105e393b8f72713732ab6eb08cd55f 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -562,10 +562,11 @@ int line_setup(struct line *lines, unsigned int num, char *init, int all_allowed
 
 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 @@ void lines_init(struct line *lines, int nlines)
 		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 12c95368124afa58940bba1326ecc4cc1352c4c7..b36786410453771dfd24405630cb453243c49e91 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -563,7 +563,7 @@ int mconsole_init(void)
 	}
 
 	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 84c73a300acb9ffffe0e2f48748df6ece06831c2..29785f643021a255653d260049e7ce53f7ebb6fb 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -586,7 +586,7 @@ static int net_config(char *str)
 	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 93898917cbe5bb97240b77684e52e608de2ea9cc..1fe0dcd9f4643f0f5eafc544f1799167df8985a5 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -706,7 +706,7 @@ static int ubd_config(char *str)
 {
 	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);