docs: admin-guide: add a series of orphaned documents

There are lots of documents that belong to the admin-guide but
are on random places (most under Documentation root dir).

Move them to the admin guide.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

Documentation/ABI/stable/sysfs-devices-node

@@ -61,7 +61,7 @@ Date:		October 2002
 Contact:	Linux Memory Management list <linux-mm@kvack.org>
 Description:
 		The node's hit/miss statistics, in units of pages.
-		See Documentation/numastat.txt
+		See Documentation/admin-guide/numastat.rst
 
 What:		/sys/devices/system/node/nodeX/distance
 Date:		October 2002

Documentation/ABI/testing/procfs-diskstats

@@ -29,4 +29,4 @@ Description:
 		17 - sectors discarded
 		18 - time spent discarding
 
-		For more details refer to Documentation/iostats.txt
+		For more details refer to Documentation/admin-guide/iostats.rst

Documentation/ABI/testing/sysfs-block

@@ -15,7 +15,7 @@ Description:
 		 9 - I/Os currently in progress
 		10 - time spent doing I/Os (ms)
 		11 - weighted time spent doing I/Os (ms)
-		For more details refer Documentation/iostats.txt
+		For more details refer Documentation/admin-guide/iostats.rst
 
 
 What:		/sys/block/<disk>/<part>/stat

Documentation/ABI/testing/sysfs-devices-system-cpu

@@ -34,7 +34,7 @@ Description:	CPU topology files that describe kernel limits related to
 		present: cpus that have been identified as being present in
 		the system.
 
-		See Documentation/cputopology.txt for more information.
+		See Documentation/admin-guide/cputopology.rst for more information.
 
 
 What:		/sys/devices/system/cpu/probe
@@ -103,7 +103,7 @@ Description:	CPU topology files that describe a logical CPU's relationship
 		thread_siblings_list: human-readable list of cpu#'s hardware
 		threads within the same core as cpu#
 
-		See Documentation/cputopology.txt for more information.
+		See Documentation/admin-guide/cputopology.rst for more information.
 
 
 What:		/sys/devices/system/cpu/cpuidle/current_driver

Documentation/admin-guide/device-mapper/statistics.rst

@@ -13,7 +13,7 @@ the range specified.
 
 The I/O statistics counters for each step-sized area of a region are
 in the same format as `/sys/block/*/stat` or `/proc/diskstats` (see:
-Documentation/iostats.txt).  But two extra counters (12 and 13) are
+Documentation/admin-guide/iostats.rst).  But two extra counters (12 and 13) are
 provided: total time spent reading and writing.  When the histogram
 argument is used, the 14th parameter is reported that represents the
 histogram of latencies.  All these counters may be accessed by sending
@@ -151,7 +151,7 @@ Messages
 	  The first 11 counters have the same meaning as
 	  `/sys/block/*/stat or /proc/diskstats`.
 
-	  Please refer to Documentation/iostats.txt for details.
+	  Please refer to Documentation/admin-guide/iostats.rst for details.
 
 	  1. the number of reads completed
 	  2. the number of reads merged

Documentation/admin-guide/hw-vuln/l1tf.rst

@@ -241,7 +241,7 @@ Guest mitigation mechanisms
    For further information about confining guests to a single or to a group
    of cores consult the cpusets documentation:
 
-   https://www.kernel.org/doc/Documentation/cgroup-v1/cpusets.rst
+   https://www.kernel.org/doc/Documentation/admin-guide/cgroup-v1/cpusets.rst
 
 .. _interrupt_isolation:
 

Documentation/admin-guide/index.rst

@@ -85,8 +85,25 @@ configure specific aspects of kernel behavior to your liking.
    perf-security
    acpi/index
    aoe/index
+   btmrvl
+   clearing-warn-once
+   cpu-load
+   cputopology
    device-mapper/index
+   efi-stub
+   highuid
+   hw_random
+   iostats
+   kernel-per-CPU-kthreads
    laptops/index
+   lcd-panel-cgram
+   ldm
+   lockup-watchdogs
+   numastat
+   pnp
+   rtc
+   svga
+   video-output
 
 .. only::  subproject and html
 

Documentation/admin-guide/kernel-parameters.txt

@@ -5066,7 +5066,7 @@
 
 	vga=		[BOOT,X86-32] Select a particular video mode
 			See Documentation/x86/boot.rst and
-			Documentation/svga.txt.
+			Documentation/admin-guide/svga.rst.
 			Use vga=ask for menu.
 			This is actually a boot loader parameter; the value is
 			passed to the kernel using a special protocol.

Documentation/auxdisplay/lcd-panel-cgram.rst → Documentation/admin-guide/lcd-panel-cgram.rst

-:orphan:
-
 ======================================
 Parallel port LCD/Keypad Panel support
 ======================================

Documentation/cma/debugfs.rst → Documentation/admin-guide/mm/cma_debugfs.rst

-:orphan:
-
 =====================
 CMA Debugfs Interface
 =====================

Documentation/admin-guide/mm/index.rst

@@ -26,6 +26,7 @@ the Linux memory management.
    :maxdepth: 1
 
    concepts
+   cma_debugfs
    hugetlbpage
    idle_page_tracking
    ksm

Documentation/admin-guide/sysctl/kernel.rst

@@ -327,7 +327,7 @@ when a hard lockup is detected.
    0 - don't panic on hard lockup
    1 - panic on hard lockup
 
-See Documentation/lockup-watchdogs.txt for more information.  This can
+See Documentation/admin-guide/lockup-watchdogs.rst for more information.  This can
 also be set using the nmi_watchdog kernel parameter.
 
 

Documentation/fb/vesafb.rst

@@ -30,7 +30,7 @@ How to use it?
 ==============
 
 Switching modes is done using the vga=... boot parameter.  Read
-Documentation/svga.txt for details.
+Documentation/admin-guide/svga.rst for details.
 
 You should compile in both vgacon (for text mode) and vesafb (for
 graphics mode). Which of them takes over the console depends on

Documentation/x86/topology.rst

@@ -9,7 +9,7 @@ representation in the kernel. Update/change when doing changes to the
 respective code.
 
 The architecture-agnostic topology definitions are in
-Documentation/cputopology.txt. This file holds x86-specific
+Documentation/admin-guide/cputopology.rst. This file holds x86-specific
 differences/specialities which must not necessarily apply to the generic
 definitions. Thus, the way to read up on Linux topology on x86 is to start
 with the generic one and look at this one in parallel for the x86 specifics.

MAINTAINERS

@@ -6080,7 +6080,7 @@ M:	Ard Biesheuvel <ard.biesheuvel@linaro.org>
 L:	linux-efi@vger.kernel.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git
 S:	Maintained
-F:	Documentation/efi-stub.txt
+F:	Documentation/admin-guide/efi-stub.rst
 F:	arch/*/kernel/efi.c
 F:	arch/x86/boot/compressed/eboot.[ch]
 F:	arch/*/include/asm/efi.h
@@ -7088,7 +7088,7 @@ M:	Herbert Xu <herbert@gondor.apana.org.au>
 L:	linux-crypto@vger.kernel.org
 S:	Odd fixes
 F:	Documentation/devicetree/bindings/rng/
-F:	Documentation/hw_random.txt
+F:	Documentation/admin-guide/hw_random.rst
 F:	drivers/char/hw_random/
 F:	include/linux/hw_random.h
 
@@ -9398,7 +9398,7 @@ M:	"Richard Russon (FlatCap)" <ldm@flatcap.org>
 L:	linux-ntfs-dev@lists.sourceforge.net
 W:	http://www.linux-ntfs.org/content/view/19/37/
 S:	Maintained
-F:	Documentation/ldm.txt
+F:	Documentation/admin-guide/ldm.rst
 F:	block/partitions/ldm.*
 
 LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
@@ -12058,7 +12058,7 @@ PARALLEL LCD/KEYPAD PANEL DRIVER
 M:	Willy Tarreau <willy@haproxy.com>
 M:	Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
 S:	Odd Fixes
-F:	Documentation/auxdisplay/lcd-panel-cgram.rst
+F:	Documentation/admin-guide/lcd-panel-cgram.rst
 F:	drivers/auxdisplay/panel.c
 
 PARALLEL PORT SUBSYSTEM
@@ -13476,7 +13476,7 @@ Q:	http://patchwork.ozlabs.org/project/rtc-linux/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git
 S:	Maintained
 F:	Documentation/devicetree/bindings/rtc/
-F:	Documentation/rtc.txt
+F:	Documentation/admin-guide/rtc.rst
 F:	drivers/rtc/
 F:	include/linux/rtc.h
 F:	include/uapi/linux/rtc.h
@@ -15306,7 +15306,7 @@ SVGA HANDLING
 M:	Martin Mares <mj@ucw.cz>
 L:	linux-video@atrey.karlin.mff.cuni.cz
 S:	Maintained
-F:	Documentation/svga.txt
+F:	Documentation/admin-guide/svga.rst
 F:	arch/x86/boot/video*
 
 SWIOTLB SUBSYSTEM

arch/arm/Kconfig

@@ -1297,7 +1297,7 @@ config SMP
 	  will run faster if you say N here.
 
 	  See also <file:Documentation/x86/i386/IO-APIC.rst>,
-	  <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO available at
+	  <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO available at
 	  <http://tldp.org/HOWTO/SMP-HOWTO.html>.
 
 	  If you don't know what to do here, say N.

arch/parisc/Kconfig

@@ -277,7 +277,7 @@ config SMP
 	  machines, but will use only one CPU of a multiprocessor machine.
 	  On a uniprocessor machine, the kernel will run faster if you say N.
 
-	  See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
+	  See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
 	  available at <http://www.tldp.org/docs.html#howto>.
 
 	  If you don't know what to do here, say N.

arch/sh/Kconfig

@@ -679,7 +679,7 @@ config SMP
 	  People using multiprocessor machines who say Y here should also say
 	  Y to "Enhanced Real Time Clock Support", below.
 
-	  See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
+	  See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
 	  available at <http://www.tldp.org/docs.html#howto>.
 
 	  If you don't know what to do here, say N.

arch/sparc/Kconfig

@@ -180,7 +180,7 @@ config SMP
 	  Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
 	  Management" code will be disabled if you say Y here.
 
-	  See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
+	  See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
 	  available at <http://www.tldp.org/docs.html#howto>.
 
 	  If you don't know what to do here, say N.

arch/x86/Kconfig

@@ -402,7 +402,7 @@ config SMP
 	  Management" code will be disabled if you say Y here.
 
 	  See also <file:Documentation/x86/i386/IO-APIC.rst>,
-	  <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO available at
+	  <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO available at
 	  <http://www.tldp.org/docs.html#howto>.
 
 	  If you don't know what to do here, say N.
@@ -1959,7 +1959,7 @@ config EFI_STUB
           This kernel feature allows a bzImage to be loaded directly
 	  by EFI firmware without the use of a bootloader.
 
-	  See Documentation/efi-stub.txt for more information.
+	  See Documentation/admin-guide/efi-stub.rst for more information.
 
 config EFI_MIXED
 	bool "EFI mixed-mode support"

block/partitions/Kconfig

@@ -194,7 +194,7 @@ config LDM_PARTITION
 	  Normal partitions are now called Basic Disks under Windows 2000, XP,
 	  and Vista.
 
-	  For a fuller description read <file:Documentation/ldm.txt>.
+	  For a fuller description read <file:Documentation/admin-guide/ldm.rst>.
 
 	  If unsure, say N.
 

drivers/char/Kconfig

@@ -291,7 +291,7 @@ config RTC
 	  and set the RTC in an SMP compatible fashion.
 
 	  If you think you have a use for such a device (such as periodic data
-	  sampling), then say Y here, and read <file:Documentation/rtc.txt>
+	  sampling), then say Y here, and read <file:Documentation/admin-guide/rtc.rst>
 	  for details.
 
 	  To compile this driver as a module, choose M here: the
@@ -313,7 +313,7 @@ config JS_RTC
 	  /dev/rtc.
 
 	  If you think you have a use for such a device (such as periodic data
-	  sampling), then say Y here, and read <file:Documentation/rtc.txt>
+	  sampling), then say Y here, and read <file:Documentation/admin-guide/rtc.rst>
 	  for details.
 
 	  To compile this driver as a module, choose M here: the

drivers/char/hw_random/core.c

@@ -4,7 +4,7 @@
  * Copyright 2006 Michael Buesch <m@bues.ch>
  * Copyright 2005 (c) MontaVista Software, Inc.
  *
- * Please read Documentation/hw_random.txt for details on use.
+ * Please read Documentation/admin-guide/hw_random.rst for details on use.
  *
  * This software may be used and distributed according to the terms
  * of the GNU General Public License, incorporated herein by reference.

include/linux/hw_random.h

 /*
 	Hardware Random Number Generator
 
-	Please read Documentation/hw_random.txt for details on use.
+	Please read Documentation/admin-guide/hw_random.rst for details on use.
 
 	----------------------------------------------------------
 	This software may be used and distributed according to the terms