cgroup: rename cgroup documentations

cgroup-legacy may be too loaded.  Rename the docs so that they're
postfixed with v1 and v2.

* s/cgroup-legacy/cgroup-v1/
* s/cgroup.txt/cgroup-v2.txt/

Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/Documentation/cgroup-v1/00-INDEX b/Documentation/cgroup-v1/00-INDEX
new file mode 100644
index 000000000000..6ad425f7cf56
--- /dev/null
+++ b/Documentation/cgroup-v1/00-INDEX
@@ -0,0 +1,28 @@
+00-INDEX
+        - this file
+blkio-controller.txt
+        - Description for Block IO Controller, implementation and usage details.
+cgroups.txt
+        - Control Groups definition, implementation details, examples and API.
+cpuacct.txt
+        - CPU Accounting Controller; account CPU usage for groups of tasks.
+cpusets.txt
+        - documents the cpusets feature; assign CPUs and Mem to a set of tasks.
+devices.txt
+        - Device Whitelist Controller; description, interface and security.
+freezer-subsystem.txt
+        - checkpointing; rationale to not use signals, interface.
+hugetlb.txt
+        - HugeTLB Controller implementation and usage details.
+memcg_test.txt
+        - Memory Resource Controller; implementation details.
+memory.txt
+        - Memory Resource Controller; design, accounting, interface, testing.
+net_cls.txt
+        - Network classifier cgroups details and usages.
+net_prio.txt
+        - Network priority cgroups details and usages.
+pids.txt
+        - Process number cgroups details and usages.
+unified-hierarchy.txt
+        - Description the new/next cgroup interface.