diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6c70645..f849705 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2357,7 +2357,7 @@
 struct task_struct *fork_idle(int);
 extern pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 
-extern void set_task_comm(struct task_struct *tsk, char *from);
+extern void set_task_comm(struct task_struct *tsk, const char *from);
 extern char *get_task_comm(char *to, struct task_struct *tsk);
 
 #ifdef CONFIG_SMP