diff --git a/include/linux/sched.h b/include/linux/sched.h
index ee800e7..ac3d496 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -282,6 +282,10 @@
 
 /* Attach to any functions which should be ignored in wchan output. */
 #define __sched		__attribute__((__section__(".sched.text")))
+
+/* Linker adds these: start and end of __sched functions */
+extern char __sched_text_start[], __sched_text_end[];
+
 /* Is this address in the __sched functions? */
 extern int in_sched_functions(unsigned long addr);
 
diff --git a/kernel/sched.c b/kernel/sched.c
index 89cb2da..98dcdf2 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6708,9 +6708,6 @@
 
 int in_sched_functions(unsigned long addr)
 {
-	/* Linker adds these: start and end of __sched functions */
-	extern char __sched_text_start[], __sched_text_end[];
-
 	return in_lock_functions(addr) ||
 		(addr >= (unsigned long)__sched_text_start
 		&& addr < (unsigned long)__sched_text_end);