License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[linux-block.git] / include / linux / ww_mutex.h
index 5dd9a76822273ec092ea434f0489828155e834a6..39fda195bf788001448398275cf24545c20731c3 100644 (file)
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Wound/Wait Mutexes: blocking mutual exclusion locks with deadlock avoidance
  *