cgroup: rename Documentation/cgroups/ to Documentation/cgroup-legacy/

In preparation for adding cgroup2 documentation, rename
Documentation/cgroups/ to Documentation/cgroup-legacy/.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Li Zefan <lizefan@huawei.com>

diff --git a/Documentation/cgroups/00-INDEX b/Documentation/cgroup-legacy/00-INDEX
similarity index 100%
rename from Documentation/cgroups/00-INDEX
rename to Documentation/cgroup-legacy/00-INDEX

diff --git a/Documentation/cgroups/blkio-controller.txt b/Documentation/cgroup-legacy/blkio-controller.txt
similarity index 100%
rename from Documentation/cgroups/blkio-controller.txt
rename to Documentation/cgroup-legacy/blkio-controller.txt

diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroup-legacy/cgroups.txt
similarity index 100%
rename from Documentation/cgroups/cgroups.txt
rename to Documentation/cgroup-legacy/cgroups.txt

diff --git a/Documentation/cgroups/cpuacct.txt b/Documentation/cgroup-legacy/cpuacct.txt
similarity index 100%
rename from Documentation/cgroups/cpuacct.txt
rename to Documentation/cgroup-legacy/cpuacct.txt

diff --git a/Documentation/cgroups/cpusets.txt b/Documentation/cgroup-legacy/cpusets.txt
similarity index 100%
rename from Documentation/cgroups/cpusets.txt
rename to Documentation/cgroup-legacy/cpusets.txt

diff --git a/Documentation/cgroups/devices.txt b/Documentation/cgroup-legacy/devices.txt
similarity index 100%
rename from Documentation/cgroups/devices.txt
rename to Documentation/cgroup-legacy/devices.txt

diff --git a/Documentation/cgroups/freezer-subsystem.txt b/Documentation/cgroup-legacy/freezer-subsystem.txt
similarity index 100%
rename from Documentation/cgroups/freezer-subsystem.txt
rename to Documentation/cgroup-legacy/freezer-subsystem.txt

diff --git a/Documentation/cgroups/hugetlb.txt b/Documentation/cgroup-legacy/hugetlb.txt
similarity index 100%
rename from Documentation/cgroups/hugetlb.txt
rename to Documentation/cgroup-legacy/hugetlb.txt

diff --git a/Documentation/cgroups/memcg_test.txt b/Documentation/cgroup-legacy/memcg_test.txt
similarity index 100%
rename from Documentation/cgroups/memcg_test.txt
rename to Documentation/cgroup-legacy/memcg_test.txt

diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroup-legacy/memory.txt
similarity index 100%
rename from Documentation/cgroups/memory.txt
rename to Documentation/cgroup-legacy/memory.txt

diff --git a/Documentation/cgroups/net_cls.txt b/Documentation/cgroup-legacy/net_cls.txt
similarity index 100%
rename from Documentation/cgroups/net_cls.txt
rename to Documentation/cgroup-legacy/net_cls.txt

diff --git a/Documentation/cgroups/net_prio.txt b/Documentation/cgroup-legacy/net_prio.txt
similarity index 100%
rename from Documentation/cgroups/net_prio.txt
rename to Documentation/cgroup-legacy/net_prio.txt

diff --git a/Documentation/cgroups/pids.txt b/Documentation/cgroup-legacy/pids.txt
similarity index 100%
rename from Documentation/cgroups/pids.txt
rename to Documentation/cgroup-legacy/pids.txt

diff --git a/Documentation/cgroups/unified-hierarchy.txt b/Documentation/cgroup-legacy/unified-hierarchy.txt
similarity index 100%
rename from Documentation/cgroups/unified-hierarchy.txt
rename to Documentation/cgroup-legacy/unified-hierarchy.txt