Move sched-rt-group.txt to scheduler/

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/scheduler/00-INDEX b/Documentation/scheduler/00-INDEX
index b5f5ca0..fc234d0 100644
--- a/Documentation/scheduler/00-INDEX
+++ b/Documentation/scheduler/00-INDEX
@@ -12,5 +12,7 @@
 	- information on scheduling domains.
 sched-nice-design.txt
 	- How and why the scheduler's nice levels are implemented.
+sched-rt-group.txt
+	- real-time group scheduling.
 sched-stats.txt
 	- information on schedstats (Linux Scheduler Statistics).
diff --git a/Documentation/sched-rt-group.txt b/Documentation/scheduler/sched-rt-group.txt
similarity index 100%
rename from Documentation/sched-rt-group.txt
rename to Documentation/scheduler/sched-rt-group.txt