Documentation: create new scheduler/ subdirectory

The top-level Documentation/ directory is unmanageably large, so we
should take any obvious opportunities to move stuff into subdirectories.
These sched-*.txt files seem an obvious easy case.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: Ingo Molnar <mingo@elte.hu>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/scheduler/00-INDEX b/Documentation/scheduler/00-INDEX
new file mode 100644
index 0000000..b5f5ca0
--- /dev/null
+++ b/Documentation/scheduler/00-INDEX
@@ -0,0 +1,16 @@
+00-INDEX
+	- this file.
+sched-arch.txt
+	- CPU Scheduler implementation hints for architecture specific code.
+sched-coding.txt
+	- reference for various scheduler-related methods in the O(1) scheduler.
+sched-design.txt
+	- goals, design and implementation of the Linux O(1) scheduler.
+sched-design-CFS.txt
+	- goals, design and implementation of the Complete Fair Scheduler.
+sched-domains.txt
+	- information on scheduling domains.
+sched-nice-design.txt
+	- How and why the scheduler's nice levels are implemented.
+sched-stats.txt
+	- information on schedstats (Linux Scheduler Statistics).