docs: cgroup-v1: add it to the admin-guide book

Those files belong to the admin guide, so add them.

Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

Documentation/admin-guide/cgroup-v2.rst

···
 conventions of cgroup v2.  It describes all userland-visible aspects
 of cgroup including core and specific controller behaviors.  All
 future changes must be reflected in this document.  Documentation for
-v1 is available under Documentation/cgroup-v1/.
+v1 is available under Documentation/admin-guide/cgroup-v1/.
 
 .. CONTENTS
 

Documentation/admin-guide/index.rst

···
 
    initrd
    cgroup-v2
+   cgroup-v1/index
    serial-console
    braille-console
    parport

Documentation/admin-guide/kernel-parameters.txt

···
 
 	relax_domain_level=
 			[KNL, SMP] Set scheduler's default relax_domain_level.
-			See Documentation/cgroup-v1/cpusets.rst.
+			See Documentation/admin-guide/cgroup-v1/cpusets.rst.
 
 	reserve=	[KNL,BUGS] Force kernel to ignore I/O ports or memory
 			Format: <base1>,<size1>[,<base2>,<size2>,...]
···
 	swapaccount=[0|1]
 			[KNL] Enable accounting of swap in memory resource
 			controller if no parameter or 1 is given or disable
-			it if 0 is given (See Documentation/cgroup-v1/memory.rst)
+			it if 0 is given (See Documentation/admin-guide/cgroup-v1/memory.rst)
 
 	swiotlb=	[ARM,IA-64,PPC,MIPS,X86]
 			Format: { <int> | force | noforce }

Documentation/admin-guide/mm/numa_memory_policy.rst

···
 support.
 
 Memory policies should not be confused with cpusets
-(``Documentation/cgroup-v1/cpusets.rst``)
+(``Documentation/admin-guide/cgroup-v1/cpusets.rst``)
 which is an administrative mechanism for restricting the nodes from which
 memory may be allocated by a set of processes. Memory policies are a
 programming interface that a NUMA-aware application can take advantage of.  When

Documentation/block/bfq-iosched.rst

···
 created, and kept up-to-date by bfq, depends on whether
 CONFIG_BFQ_CGROUP_DEBUG is set. If it is set, then bfq creates all
 the stat files documented in
-Documentation/cgroup-v1/blkio-controller.rst. If, instead,
+Documentation/admin-guide/cgroup-v1/blkio-controller.rst. If, instead,
 CONFIG_BFQ_CGROUP_DEBUG is not set, then bfq creates only the files::
 
   blkio.bfq.io_service_bytes

Documentation/cgroup-v1/cgroups.rst Documentation/admin-guide/cgroup-v1/cgroups.rst

···
 ==============
 
 Written by Paul Menage <[e-mail]> based on
-Documentation/cgroup-v1/cpusets.rst
+Documentation/admin-guide/cgroup-v1/cpusets.rst
 
 Original copyright statements from cpusets.txt:
 
···
 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/cgroup-v1/cpusets.rst) allow
+access. For example, cpusets (see Documentation/admin-guide/cgroup-v1/cpusets.rst) allow
 you to associate a set of CPUs and a set of memory nodes with the
 tasks in each cgroup.
 

Documentation/cgroup-v1/cpusets.rst Documentation/admin-guide/cgroup-v1/cpusets.rst

···
 job placement on large systems.
 
 Cpusets use the generic cgroup subsystem described in
-Documentation/cgroup-v1/cgroups.rst.
+Documentation/admin-guide/cgroup-v1/cgroups.rst.
 
 Requests by a task, using the sched_setaffinity(2) system call to
 include CPUs in its CPU affinity mask, and using the mbind(2) and

Documentation/cgroup-v1/index.rst Documentation/admin-guide/cgroup-v1/index.rst

···
-:orphan:
-
 ========================
 Control Groups version 1
 ========================

Documentation/cgroup-v1/memcg_test.rst Documentation/admin-guide/cgroup-v1/memcg_test.rst

···
 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/cgroup-v1/memory.rst)
+(*) Topics on API should be in Documentation/admin-guide/cgroup-v1/memory.rst)
 
 0. How to record usage ?
 ========================
···
 	You can see charges have been moved by reading ``*.usage_in_bytes`` or
 	memory.stat of both A and B.
 
-	See 8.2 of Documentation/cgroup-v1/memory.rst to see what value should
+	See 8.2 of Documentation/admin-guide/cgroup-v1/memory.rst to see what value should
 	be written to move_charge_at_immigrate.
 
 9.10 Memory thresholds

Documentation/filesystems/tmpfs.txt

···
 use at file creation time.  When a task allocates a file in the file
 system, the mount option memory policy will be applied with a NodeList,
 if any, modified by the calling task's cpuset constraints
-[See Documentation/cgroup-v1/cpusets.rst] and any optional flags, listed
+[See Documentation/admin-guide/cgroup-v1/cpusets.rst] and any optional flags, listed
 below.  If the resulting NodeLists is the empty set, the effective memory
 policy for the file will revert to "default" policy.
 

Documentation/kernel-per-CPU-kthreads.txt

···
 
 -	Documentation/IRQ-affinity.txt:  Binding interrupts to sets of CPUs.
 
--	Documentation/cgroup-v1:  Using cgroups to bind tasks to sets of CPUs.
+-	Documentation/admin-guide/cgroup-v1:  Using cgroups to bind tasks to sets of CPUs.
 
 -	man taskset:  Using the taskset command to bind tasks to sets
 	of CPUs.

Documentation/scheduler/sched-deadline.rst

···
 
  -deadline tasks cannot have an affinity mask smaller that the entire
  root_domain they are created on. However, affinities can be specified
- through the cpuset facility (Documentation/cgroup-v1/cpusets.rst).
+ through the cpuset facility (Documentation/admin-guide/cgroup-v1/cpusets.rst).
 
 5.1 SCHED_DEADLINE and cpusets HOWTO
 ------------------------------------

Documentation/scheduler/sched-design-CFS.rst

···
 
    These options need CONFIG_CGROUPS to be defined, and let the administrator
    create arbitrary groups of tasks, using the "cgroup" pseudo filesystem.  See
-   Documentation/cgroup-v1/cgroups.rst for more information about this filesystem.
+   Documentation/admin-guide/cgroup-v1/cgroups.rst for more information about this filesystem.
 
 When CONFIG_FAIR_GROUP_SCHED is defined, a "cpu.shares" file is created for each
 group created using the pseudo filesystem.  See example steps below to create

Documentation/scheduler/sched-rt-group.rst

···
 to control the CPU time reserved for each control group.
 
 For more information on working with control groups, you should read
-Documentation/cgroup-v1/cgroups.rst as well.
+Documentation/admin-guide/cgroup-v1/cgroups.rst as well.
 
 Group settings are checked against the following limits in order to keep the
 configuration schedulable:

Documentation/vm/numa.rst

···
 physical memory.  NUMA emluation is useful for testing NUMA kernel and
 application features on non-NUMA platforms, and as a sort of memory resource
 management mechanism when used together with cpusets.
-[see Documentation/cgroup-v1/cpusets.rst]
+[see Documentation/admin-guide/cgroup-v1/cpusets.rst]
 
 For each node with memory, Linux constructs an independent memory management
 subsystem, complete with its own free page lists, in-use page lists, usage
···
 
 System administrators can restrict the CPUs and nodes' memories that a non-
 privileged user can specify in the scheduling or NUMA commands and functions
-using control groups and CPUsets.  [see Documentation/cgroup-v1/cpusets.rst]
+using control groups and CPUsets.  [see Documentation/admin-guide/cgroup-v1/cpusets.rst]
 
 On architectures that do not hide memoryless nodes, Linux will include only
 zones [nodes] with memory in the zonelists.  This means that for a memoryless

Documentation/vm/page_migration.rst

···
 Larger installations usually partition the system using cpusets into
 sections of nodes. Paul Jackson has equipped cpusets with the ability to
 move pages when a task is moved to another cpuset (See
-Documentation/cgroup-v1/cpusets.rst).
+Documentation/admin-guide/cgroup-v1/cpusets.rst).
 Cpusets allows the automation of process locality. If a task is moved to
 a new cpuset then also all its pages are moved with it so that the
 performance of the process does not sink dramatically. Also the pages

Documentation/vm/unevictable-lru.rst

···
 --------------------------------
 
 The unevictable LRU facility interacts with the memory control group [aka
-memory controller; see Documentation/cgroup-v1/memory.rst] by extending the
+memory controller; see Documentation/admin-guide/cgroup-v1/memory.rst] by extending the
 lru_list enum.
 
 The memory controller data structure automatically gets a per-zone unevictable

Documentation/x86/x86_64/fake-numa-for-cpusets.rst

···
 amount of system memory that are available to a certain class of tasks.
 
 For more information on the features of cpusets, see
-Documentation/cgroup-v1/cpusets.rst.
+Documentation/admin-guide/cgroup-v1/cpusets.rst.
 There are a number of different configurations you can use for your needs.  For
 more information on the numa=fake command line option and its various ways of
 configuring fake nodes, see Documentation/x86/x86_64/boot-options.rst.
···
 	On node 3 totalpages: 131072
 
 Now following the instructions for mounting the cpusets filesystem from
-Documentation/cgroup-v1/cpusets.rst, you can assign fake nodes (i.e. contiguous memory
+Documentation/admin-guide/cgroup-v1/cpusets.rst, you can assign fake nodes (i.e. contiguous memory
 address spaces) to individual cpusets::
 
 	[root@xroads /]# mkdir exampleset

MAINTAINERS

···
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
 S:	Maintained
 F:	Documentation/admin-guide/cgroup-v2.rst
-F:	Documentation/cgroup-v1/
+F:	Documentation/admin-guide/cgroup-v1/
 F:	include/linux/cgroup*
 F:	kernel/cgroup/
 
···
 W:	http://oss.sgi.com/projects/cpusets/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
 S:	Maintained
-F:	Documentation/cgroup-v1/cpusets.rst
+F:	Documentation/admin-guide/cgroup-v1/cpusets.rst
 F:	include/linux/cpuset.h
 F:	kernel/cgroup/cpuset.c
 

block/Kconfig

···
 	one needs to mount and use blkio cgroup controller for creating
 	cgroups and specifying per device IO rate policies.
 
-	See Documentation/cgroup-v1/blkio-controller.rst for more information.
+	See Documentation/admin-guide/cgroup-v1/blkio-controller.rst for more information.
 
 config BLK_DEV_THROTTLING_LOW
 	bool "Block throttling .low limit interface support (EXPERIMENTAL)"

include/linux/cgroup-defs.h

···
 
 /*
  * Control Group subsystem type.
- * See Documentation/cgroup-v1/cgroups.rst for details
+ * See Documentation/admin-guide/cgroup-v1/cgroups.rst for details
  */
 struct cgroup_subsys {
 	struct cgroup_subsys_state *(*css_alloc)(struct cgroup_subsys_state *parent_css);

include/uapi/linux/bpf.h

···
  * 		based on a user-provided identifier for all traffic coming from
  * 		the tasks belonging to the related cgroup. See also the related
  * 		kernel documentation, available from the Linux sources in file
- * 		*Documentation/cgroup-v1/net_cls.rst*.
+ * 		*Documentation/admin-guide/cgroup-v1/net_cls.rst*.
  *
  * 		The Linux kernel has two versions for cgroups: there are
  * 		cgroups v1 and cgroups v2. Both are available to users, who can

init/Kconfig

···
 	  controls or device isolation.
 	  See
 		- Documentation/scheduler/sched-design-CFS.rst	(CFS)
-		- Documentation/cgroup-v1/ (features for grouping, isolation
+		- Documentation/admin-guide/cgroup-v1/ (features for grouping, isolation
 					  and resource control)
 
 	  Say N if unsure.
···
 	CONFIG_CFQ_GROUP_IOSCHED=y; for enabling throttling policy, set
 	CONFIG_BLK_DEV_THROTTLING=y.
 
-	See Documentation/cgroup-v1/blkio-controller.rst for more information.
+	See Documentation/admin-guide/cgroup-v1/blkio-controller.rst for more information.
 
 config CGROUP_WRITEBACK
 	bool

kernel/cgroup/cpuset.c

···
  * load balancing domains (sched domains) as specified by that partial
  * partition.
  *
- * See "What is sched_load_balance" in Documentation/cgroup-v1/cpusets.rst
+ * See "What is sched_load_balance" in Documentation/admin-guide/cgroup-v1/cpusets.rst
  * for a background explanation of this.
  *
  * Does not return errors, on the theory that the callers of this

security/device_cgroup.c

···
  * This is one of the three key functions for hierarchy implementation.
  * This function is responsible for re-evaluating all the cgroup's active
  * exceptions due to a parent's exception change.
- * Refer to Documentation/cgroup-v1/devices.rst for more details.
+ * Refer to Documentation/admin-guide/cgroup-v1/devices.rst for more details.
  */
 static void revalidate_active_exceptions(struct dev_cgroup *devcg)
 {

tools/include/uapi/linux/bpf.h

···
  * 		based on a user-provided identifier for all traffic coming from
  * 		the tasks belonging to the related cgroup. See also the related
  * 		kernel documentation, available from the Linux sources in file
- * 		*Documentation/cgroup-v1/net_cls.rst*.
+ * 		*Documentation/admin-guide/cgroup-v1/net_cls.rst*.
  *
  * 		The Linux kernel has two versions for cgroups: there are
  * 		cgroups v1 and cgroups v2. Both are available to users, who can