Documentation: seqlock: Add a SPDX license identifier

Add a SPDX identifier. The majority of the document has been written by
Ahmed S. Darwish.

Cc: Ahmed S. Darwish <darwi@linutronix.de>
Acked-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250815093858.930751-2-bigeasy@linutronix.de

diff --git a/Documentation/locking/seqlock.rst b/Documentation/locking/seqlock.rst
index ec6411d02ac8f55aee92b375071c8b2e7b840e59..3fb7ea3ab22a6cf6cd58f72d68ed1045a89ea816 100644 (file)
--- a/Documentation/locking/seqlock.rst
+++ b/Documentation/locking/seqlock.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: GPL-2.0
+
 ======================================
 Sequence counters and sequential locks
 ======================================