1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 5c74da410451..22666b4a8be7 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -273,7 +273,7 @@ extern void stack_protections(unsigned long address);
 extern void task_protections(unsigned long address);
 extern int raw(int fd);
 extern void setup_machinename(char *machine_out);
-extern void setup_hostinfo(void);
+extern void setup_hostinfo(char *buf, int len);
 extern int setjmp_wrapper(void (*proc)(void *, void *), ...);
 
 /* time.c */