2 files changed, 3 insertions, 6 deletions

diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index b8e952c88f..9469e77303 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -74,6 +74,7 @@ config MODE_SKAS
         option will shrink the UML binary slightly.
 
 source "arch/um/Kconfig_arch"
+source "mm/Kconfig"
 
 config LD_SCRIPT_STATIC
         bool
diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c
index 804c6bbdf6..157584ae47 100644
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -8,6 +8,7 @@
 #include "linux/kernel.h"
 #include "linux/sched.h"
 #include "linux/interrupt.h"
+#include "linux/string.h"
 #include "linux/mm.h"
 #include "linux/slab.h"
 #include "linux/utsname.h"
@@ -322,12 +323,7 @@ void do_uml_exitcalls(void)
 
 char *uml_strdup(char *string)
 {
-        char *new;
-
-        new = kmalloc(strlen(string) + 1, GFP_KERNEL);
-        if(new == NULL) return(NULL);
-        strcpy(new, string);
-        return(new);
+        return kstrdup(string, GFP_KERNEL);
 }
 
 int copy_to_user_proc(void __user *to, void *from, int size)