License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[linux-block.git] / tools / testing / radix-tree / linux / rcupdate.h
index f7129ea2a89913f908f5b791c6673cf8af2a13c8..73ed33658203771524e5a87540beae107cd2c6d3 100644 (file)
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _RCUPDATE_H
 #define _RCUPDATE_H