Made LockAllMemory public.

Change-Id: I5d87b1abe15a2949d23312f005140f231761a61f
diff --git a/aos/linux_code/init.h b/aos/linux_code/init.h
index 2e57166..9b0c3d6 100644
--- a/aos/linux_code/init.h
+++ b/aos/linux_code/init.h
@@ -35,6 +35,8 @@
 // name can have a maximum of 16 characters.
 void SetCurrentThreadName(const ::std::string &name);
 
+void LockAllMemory();
+
 }  // namespace aos
 
 #endif  // AOS_LINUX_CODE_INIT_H_