cgroups: consolidate cgroup documents

Move Documentation/cpusets.txt and Documentation/controllers/* to
Documentation/cgroups/

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt
index e33ee74..d9e5d6f 100644
--- a/Documentation/cgroups/cgroups.txt
+++ b/Documentation/cgroups/cgroups.txt
@@ -1,7 +1,8 @@
 				CGROUPS
 				-------
 
-Written by Paul Menage <menage@google.com> based on Documentation/cpusets.txt
+Written by Paul Menage <menage@google.com> based on
+Documentation/cgroups/cpusets.txt
 
 Original copyright statements from cpusets.txt:
 Portions Copyright (C) 2004 BULL SA.
@@ -68,7 +69,7 @@
 tracking. The intention is that other subsystems hook into the generic
 cgroup support to provide new attributes for cgroups, such as
 accounting/limiting the resources which processes in a cgroup can
-access. For example, cpusets (see Documentation/cpusets.txt) allows
+access. For example, cpusets (see Documentation/cgroups/cpusets.txt) allows
 you to associate a set of CPUs and a set of memory nodes with the
 tasks in each cgroup.
 
diff --git a/Documentation/controllers/cpuacct.txt b/Documentation/cgroups/cpuacct.txt
similarity index 100%
rename from Documentation/controllers/cpuacct.txt
rename to Documentation/cgroups/cpuacct.txt
diff --git a/Documentation/cpusets.txt b/Documentation/cgroups/cpusets.txt
similarity index 100%
rename from Documentation/cpusets.txt
rename to Documentation/cgroups/cpusets.txt
diff --git a/Documentation/controllers/devices.txt b/Documentation/cgroups/devices.txt
similarity index 100%
rename from Documentation/controllers/devices.txt
rename to Documentation/cgroups/devices.txt
diff --git a/Documentation/controllers/memcg_test.txt b/Documentation/cgroups/memcg_test.txt
similarity index 99%
rename from Documentation/controllers/memcg_test.txt
rename to Documentation/cgroups/memcg_test.txt
index 08d4d3e..19533f9 100644
--- a/Documentation/controllers/memcg_test.txt
+++ b/Documentation/cgroups/memcg_test.txt
@@ -6,7 +6,7 @@
 is complex. This is a document for memcg's internal behavior.
 Please note that implementation details can be changed.
 
-(*) Topics on API should be in Documentation/controllers/memory.txt)
+(*) Topics on API should be in Documentation/cgroups/memory.txt)
 
 0. How to record usage ?
    2 objects are used.
diff --git a/Documentation/controllers/memory.txt b/Documentation/cgroups/memory.txt
similarity index 100%
rename from Documentation/controllers/memory.txt
rename to Documentation/cgroups/memory.txt
diff --git a/Documentation/controllers/resource_counter.txt b/Documentation/cgroups/resource_counter.txt
similarity index 100%
rename from Documentation/controllers/resource_counter.txt
rename to Documentation/cgroups/resource_counter.txt
diff --git a/Documentation/scheduler/sched-design-CFS.txt b/Documentation/scheduler/sched-design-CFS.txt
index 8398ca4..6f33593 100644
--- a/Documentation/scheduler/sched-design-CFS.txt
+++ b/Documentation/scheduler/sched-design-CFS.txt
@@ -231,7 +231,7 @@
 
    This options needs CONFIG_CGROUPS to be defined, and lets the administrator
    create arbitrary groups of tasks, using the "cgroup" pseudo filesystem.  See
-   Documentation/cgroups.txt for more information about this filesystem.
+   Documentation/cgroups/cgroups.txt for more information about this filesystem.
 
 Only one of these options to group tasks can be chosen and not both.