--- zzzz-none-000/linux-5.4.213/Documentation/timers/timers-howto.rst	2022-09-15 10:04:56.000000000 +0000
+++ miami-7690-761/linux-5.4.213/Documentation/timers/timers-howto.rst	2024-05-29 11:19:50.000000000 +0000
@@ -110,3 +110,6 @@
 			short, the difference is whether the sleep can be ended
 			early by a signal. In general, just use msleep unless
 			you know you have a need for the interruptible variant.
+
+	FLEXIBLE SLEEPING (any delay, uninterruptible)
+		* Use fsleep