auto import from //depot/cupcake/@135843
diff --git a/libc/kernel/common/linux/debug_locks.h b/libc/kernel/common/linux/debug_locks.h
new file mode 100644
index 0000000..2d55fcd
--- /dev/null
+++ b/libc/kernel/common/linux/debug_locks.h
@@ -0,0 +1,26 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __LINUX_DEBUG_LOCKING_H
+#define __LINUX_DEBUG_LOCKING_H
+
+struct task_struct;
+
+#define _RET_IP_ (unsigned long)__builtin_return_address(0)
+#define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
+
+#define DEBUG_LOCKS_WARN_ON(c) ({ int __ret = 0; if (unlikely(c)) { if (debug_locks_off()) WARN_ON(1); __ret = 1; } __ret; })
+
+#define SMP_DEBUG_LOCKS_WARN_ON(c) do { } while (0)
+
+#define locking_selftest() do { } while (0)
+
+#endif