docs/vm: rename documentation files to .rst

Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

63 files changed, 87 insertions, 87 deletions

diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node
index 5b2d0f08867c..b38f4b734567 100644
--- a/Documentation/ABI/stable/sysfs-devices-node
+++ b/Documentation/ABI/stable/sysfs-devices-node
@@ -90,4 +90,4 @@ Date:		December 2009
 Contact:	Lee Schermerhorn <lee.schermerhorn@hp.com>
 Description:
 		The node's huge page size control/query attributes.
-		See Documentation/vm/hugetlbpage.txt
\ No newline at end of file
+		See Documentation/vm/hugetlbpage.rst
\ No newline at end of file
diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-hugepages b/Documentation/ABI/testing/sysfs-kernel-mm-hugepages
index e21c00571cf4..5140b233356c 100644
--- a/Documentation/ABI/testing/sysfs-kernel-mm-hugepages
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-hugepages
@@ -12,4 +12,4 @@ Description:
 			free_hugepages
 			surplus_hugepages
 			resv_hugepages
-		See Documentation/vm/hugetlbpage.txt for details.
+		See Documentation/vm/hugetlbpage.rst for details.
diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-ksm b/Documentation/ABI/testing/sysfs-kernel-mm-ksm
index 73e653ee2481..dfc13244cda3 100644
--- a/Documentation/ABI/testing/sysfs-kernel-mm-ksm
+++ b/Documentation/ABI/testing/sysfs-kernel-mm-ksm
@@ -40,7 +40,7 @@ Description:	Kernel Samepage Merging daemon sysfs interface
 		sleep_millisecs: how many milliseconds ksm should sleep between
 		scans.
 
-		See Documentation/vm/ksm.txt for more information.
+		See Documentation/vm/ksm.rst for more information.
 
 What:		/sys/kernel/mm/ksm/merge_across_nodes
 Date:		January 2013
diff --git a/Documentation/ABI/testing/sysfs-kernel-slab b/Documentation/ABI/testing/sysfs-kernel-slab
index 2cc0a72b64be..29601d93a1c2 100644
--- a/Documentation/ABI/testing/sysfs-kernel-slab
+++ b/Documentation/ABI/testing/sysfs-kernel-slab
@@ -37,7 +37,7 @@ Description:
 		The alloc_calls file is read-only and lists the kernel code
 		locations from which allocations for this cache were performed.
 		The alloc_calls file only contains information if debugging is
-		enabled for that cache (see Documentation/vm/slub.txt).
+		enabled for that cache (see Documentation/vm/slub.rst).
 
 What:		/sys/kernel/slab/cache/alloc_fastpath
 Date:		February 2008
@@ -219,7 +219,7 @@ Contact:	Pekka Enberg <penberg@cs.helsinki.fi>,
 Description:
 		The free_calls file is read-only and lists the locations of
 		object frees if slab debugging is enabled (see
-		Documentation/vm/slub.txt).
+		Documentation/vm/slub.rst).
 
 What:		/sys/kernel/slab/cache/free_fastpath
 Date:		February 2008
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 1d1d53f85ddd..5d6e5509c049 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3887,7 +3887,7 @@
 			cache (risks via metadata attacks are mostly
 			unchanged). Debug options disable merging on their
 			own.
-			For more information see Documentation/vm/slub.txt.
+			For more information see Documentation/vm/slub.rst.
 
 	slab_max_order=	[MM, SLAB]
 			Determines the maximum allowed order for slabs.
@@ -3901,7 +3901,7 @@
 			slub_debug can create guard zones around objects and
 			may poison objects when not in use. Also tracks the
 			last alloc / free. For more information see
-			Documentation/vm/slub.txt.
+			Documentation/vm/slub.rst.
 
 	slub_memcg_sysfs=	[MM, SLUB]
 			Determines whether to enable sysfs directories for
@@ -3915,7 +3915,7 @@
 			Determines the maximum allowed order for slabs.
 			A high setting may cause OOMs due to memory
 			fragmentation. For more information see
-			Documentation/vm/slub.txt.
+			Documentation/vm/slub.rst.
 
 	slub_min_objects=	[MM, SLUB]
 			The minimum number of objects per slab. SLUB will
@@ -3924,12 +3924,12 @@
 			the number of objects indicated. The higher the number
 			of objects the smaller the overhead of tracking slabs
 			and the less frequently locks need to be acquired.
-			For more information see Documentation/vm/slub.txt.
+			For more information see Documentation/vm/slub.rst.
 
 	slub_min_order=	[MM, SLUB]
 			Determines the minimum page order for slabs. Must be
 			lower than slub_max_order.
-			For more information see Documentation/vm/slub.txt.
+			For more information see Documentation/vm/slub.rst.
 
 	slub_nomerge	[MM, SLUB]
 			Same with slab_nomerge. This is supported for legacy.
@@ -4285,7 +4285,7 @@
 			Format: [always|madvise|never]
 			Can be used to control the default behavior of the system
 			with respect to transparent hugepages.
-			See Documentation/vm/transhuge.txt for more details.
+			See Documentation/vm/transhuge.rst for more details.
 
 	tsc=		Disable clocksource stability checks for TSC.
 			Format: <string>
diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index f7a18f274357..aabc8738b3d8 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -120,7 +120,7 @@ A typical out of bounds access report looks like this::
 
 The header of the report discribe what kind of bug happened and what kind of
 access caused it. It's followed by the description of the accessed slub object
-(see 'SLUB Debug output' section in Documentation/vm/slub.txt for details) and
+(see 'SLUB Debug output' section in Documentation/vm/slub.rst for details) and
 the description of the accessed memory page.
 
 In the last section the report shows memory state around the accessed address.
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 2a84bb334894..2d3984c70feb 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -515,7 +515,7 @@ guarantees:
 
 The /proc/PID/clear_refs is used to reset the PG_Referenced and ACCESSED/YOUNG
 bits on both physical and virtual pages associated with a process, and the
-soft-dirty bit on pte (see Documentation/vm/soft-dirty.txt for details).
+soft-dirty bit on pte (see Documentation/vm/soft-dirty.rst for details).
 To clear the bits for all the pages associated with the process
     > echo 1 > /proc/PID/clear_refs
 
@@ -536,7 +536,7 @@ Any other value written to /proc/PID/clear_refs will have no effect.
 
 The /proc/pid/pagemap gives the PFN, which can be used to find the pageflags
 using /proc/kpageflags and number of times a page is mapped using
-/proc/kpagecount. For detailed explanation, see Documentation/vm/pagemap.txt.
+/proc/kpagecount. For detailed explanation, see Documentation/vm/pagemap.rst.
 
 The /proc/pid/numa_maps is an extension based on maps, showing the memory
 locality and binding policy, as well as the memory usage (in pages) of
diff --git a/Documentation/filesystems/tmpfs.txt b/Documentation/filesystems/tmpfs.txt
index a85355cf85f4..627389a34f77 100644
--- a/Documentation/filesystems/tmpfs.txt
+++ b/Documentation/filesystems/tmpfs.txt
@@ -105,7 +105,7 @@ policy for the file will revert to "default" policy.
 NUMA memory allocation policies have optional flags that can be used in
 conjunction with their modes.  These optional flags can be specified
 when tmpfs is mounted by appending them to the mode before the NodeList.
-See Documentation/vm/numa_memory_policy.txt for a list of all available
+See Documentation/vm/numa_memory_policy.rst for a list of all available
 memory allocation policy mode flags and their effect on memory policy.
 
 	=static		is equivalent to	MPOL_F_STATIC_NODES
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index ff234d229cbb..ef581a940439 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -516,7 +516,7 @@ nr_hugepages
 
 Change the minimum size of the hugepage pool.
 
-See Documentation/vm/hugetlbpage.txt
+See Documentation/vm/hugetlbpage.rst
 
 ==============================================================
 
@@ -525,7 +525,7 @@ nr_overcommit_hugepages
 Change the maximum size of the hugepage pool. The maximum is
 nr_hugepages + nr_overcommit_hugepages.
 
-See Documentation/vm/hugetlbpage.txt
+See Documentation/vm/hugetlbpage.rst
 
 ==============================================================
 
@@ -668,7 +668,7 @@ and don't use much of it.
 
 The default value is 0.
 
-See Documentation/vm/overcommit-accounting and
+See Documentation/vm/overcommit-accounting.rst and
 mm/mmap.c::__vm_enough_memory() for more information.
 
 ==============================================================
diff --git a/Documentation/vm/00-INDEX b/Documentation/vm/00-INDEX
index 0278f2c85efb..cda564d55b3c 100644
--- a/Documentation/vm/00-INDEX
+++ b/Documentation/vm/00-INDEX
@@ -1,62 +1,62 @@
 00-INDEX
 	- this file.
-active_mm.txt
+active_mm.rst
 	- An explanation from Linus about tsk->active_mm vs tsk->mm.
-balance
+balance.rst
 	- various information on memory balancing.
-cleancache.txt
+cleancache.rst
 	- Intro to cleancache and page-granularity victim cache.
-frontswap.txt
+frontswap.rst
 	- Outline frontswap, part of the transcendent memory frontend.
-highmem.txt
+highmem.rst
 	- Outline of highmem and common issues.
-hmm.txt
+hmm.rst
 	- Documentation of heterogeneous memory management
-hugetlbpage.txt
+hugetlbpage.rst
 	- a brief summary of hugetlbpage support in the Linux kernel.
-hugetlbfs_reserv.txt
+hugetlbfs_reserv.rst
 	- A brief overview of hugetlbfs reservation design/implementation.
-hwpoison.txt
+hwpoison.rst
 	- explains what hwpoison is
-idle_page_tracking.txt
+idle_page_tracking.rst
 	- description of the idle page tracking feature.
-ksm.txt
+ksm.rst
 	- how to use the Kernel Samepage Merging feature.
-mmu_notifier.txt
+mmu_notifier.rst
 	- a note about clearing pte/pmd and mmu notifications
-numa
+numa.rst
 	- information about NUMA specific code in the Linux vm.
-numa_memory_policy.txt
+numa_memory_policy.rst
 	- documentation of concepts and APIs of the 2.6 memory policy support.
-overcommit-accounting
+overcommit-accounting.rst
 	- description of the Linux kernels overcommit handling modes.
-page_frags
+page_frags.rst
 	- description of page fragments allocator
-page_migration
+page_migration.rst
 	- description of page migration in NUMA systems.
-pagemap.txt
+pagemap.rst
 	- pagemap, from the userspace perspective
-page_owner.txt
+page_owner.rst
 	- tracking about who allocated each page
-remap_file_pages.txt
+remap_file_pages.rst
 	- a note about remap_file_pages() system call
-slub.txt
+slub.rst
 	- a short users guide for SLUB.
-soft-dirty.txt
+soft-dirty.rst
 	- short explanation for soft-dirty PTEs
-split_page_table_lock
+split_page_table_lock.rst
 	- Separate per-table lock to improve scalability of the old page_table_lock.
-swap_numa.txt
+swap_numa.rst
 	- automatic binding of swap device to numa node
-transhuge.txt
+transhuge.rst
 	- Transparent Hugepage Support, alternative way of using hugepages.
-unevictable-lru.txt
+unevictable-lru.rst
 	- Unevictable LRU infrastructure
-userfaultfd.txt
+userfaultfd.rst
 	- description of userfaultfd system call
 z3fold.txt
 	- outline of z3fold allocator for storing compressed pages
-zsmalloc.txt
+zsmalloc.rst
 	- outline of zsmalloc allocator for storing compressed pages
-zswap.txt
+zswap.rst
 	- Intro to compressed cache for swap pages
diff --git a/Documentation/vm/active_mm.txt b/Documentation/vm/active_mm.rst
index c84471b180f8..c84471b180f8 100644
--- a/Documentation/vm/active_mm.txt
+++ b/Documentation/vm/active_mm.rst
diff --git a/Documentation/vm/balance b/Documentation/vm/balance.rst
index 6a1fadf3e173..6a1fadf3e173 100644
--- a/Documentation/vm/balance
+++ b/Documentation/vm/balance.rst
diff --git a/Documentation/vm/cleancache.txt b/Documentation/vm/cleancache.rst
index 68cba9131c31..68cba9131c31 100644
--- a/Documentation/vm/cleancache.txt
+++ b/Documentation/vm/cleancache.rst
diff --git a/Documentation/vm/frontswap.txt b/Documentation/vm/frontswap.rst
index 1979f430c1c5..1979f430c1c5 100644
--- a/Documentation/vm/frontswap.txt
+++ b/Documentation/vm/frontswap.rst
diff --git a/Documentation/vm/highmem.txt b/Documentation/vm/highmem.rst
index 0f69a9fec34d..0f69a9fec34d 100644
--- a/Documentation/vm/highmem.txt
+++ b/Documentation/vm/highmem.rst
diff --git a/Documentation/vm/hmm.txt b/Documentation/vm/hmm.rst
index 3fafa3381730..3fafa3381730 100644
--- a/Documentation/vm/hmm.txt
+++ b/Documentation/vm/hmm.rst
diff --git a/Documentation/vm/hugetlbfs_reserv.txt b/Documentation/vm/hugetlbfs_reserv.rst
index 36a87a2ea435..36a87a2ea435 100644
--- a/Documentation/vm/hugetlbfs_reserv.txt
+++ b/Documentation/vm/hugetlbfs_reserv.rst
diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.rst
index 3bb0d991f102..a5da14b05b4b 100644
--- a/Documentation/vm/hugetlbpage.txt
+++ b/Documentation/vm/hugetlbpage.rst
@@ -217,7 +217,7 @@ When adjusting the persistent hugepage count via ``nr_hugepages_mempolicy``, any
 memory policy mode--bind, preferred, local or interleave--may be used.  The
 resulting effect on persistent huge page allocation is as follows:
 
-#. Regardless of mempolicy mode [see Documentation/vm/numa_memory_policy.txt],
+#. Regardless of mempolicy mode [see Documentation/vm/numa_memory_policy.rst],
    persistent huge pages will be distributed across the node or nodes
    specified in the mempolicy as if "interleave" had been specified.
    However, if a node in the policy does not contain sufficient contiguous
diff --git a/Documentation/vm/hwpoison.txt b/Documentation/vm/hwpoison.rst
index b1a8c241d6c2..070aa1e716b7 100644
--- a/Documentation/vm/hwpoison.txt
+++ b/Documentation/vm/hwpoison.rst
@@ -155,7 +155,7 @@ Testing
 	value).  This allows stress testing of many kinds of
 	pages. The page_flags are the same as in /proc/kpageflags. The
 	flag bits are defined in include/linux/kernel-page-flags.h and
-	documented in Documentation/vm/pagemap.txt
+	documented in Documentation/vm/pagemap.rst
 
 * Architecture specific MCE injector
 
diff --git a/Documentation/vm/idle_page_tracking.txt b/Documentation/vm/idle_page_tracking.rst
index 9cbe6f8d7a99..d1c4609a5220 100644
--- a/Documentation/vm/idle_page_tracking.txt
+++ b/Documentation/vm/idle_page_tracking.rst
@@ -65,7 +65,7 @@ workload one should:
     are not reclaimable, he or she can filter them out using
     ``/proc/kpageflags``.
 
-See Documentation/vm/pagemap.txt for more information about
+See Documentation/vm/pagemap.rst for more information about
 ``/proc/pid/pagemap``, ``/proc/kpageflags``, and ``/proc/kpagecgroup``.
 
 .. _impl_details:
diff --git a/Documentation/vm/ksm.txt b/Documentation/vm/ksm.rst
index 87e7eef5ea9c..87e7eef5ea9c 100644
--- a/Documentation/vm/ksm.txt
+++ b/Documentation/vm/ksm.rst
diff --git a/Documentation/vm/mmu_notifier.txt b/Documentation/vm/mmu_notifier.rst
index 47baa1cf28c5..47baa1cf28c5 100644
--- a/Documentation/vm/mmu_notifier.txt
+++ b/Documentation/vm/mmu_notifier.rst
diff --git a/Documentation/vm/numa b/Documentation/vm/numa.rst
index c81e7c56f0f9..aada84bc8c46 100644
--- a/Documentation/vm/numa
+++ b/Documentation/vm/numa.rst
@@ -110,7 +110,7 @@ to improve NUMA locality using various CPU affinity command line interfaces,
 such as taskset(1) and numactl(1), and program interfaces such as
 sched_setaffinity(2).  Further, one can modify the kernel's default local
 allocation behavior using Linux NUMA memory policy.
-[see Documentation/vm/numa_memory_policy.txt.]
+[see Documentation/vm/numa_memory_policy.rst.]
 
 System administrators can restrict the CPUs and nodes' memories that a non-
 privileged user can specify in the scheduling or NUMA commands and functions
diff --git a/Documentation/vm/numa_memory_policy.txt b/Documentation/vm/numa_memory_policy.rst
index 8cd942ca114e..8cd942ca114e 100644
--- a/Documentation/vm/numa_memory_policy.txt
+++ b/Documentation/vm/numa_memory_policy.rst
diff --git a/Documentation/vm/overcommit-accounting b/Documentation/vm/overcommit-accounting.rst
index 0dd54bbe4afa..0dd54bbe4afa 100644
--- a/Documentation/vm/overcommit-accounting
+++ b/Documentation/vm/overcommit-accounting.rst
diff --git a/Documentation/vm/page_frags b/Documentation/vm/page_frags.rst
index 637cc49d1b2f..637cc49d1b2f 100644
--- a/Documentation/vm/page_frags
+++ b/Documentation/vm/page_frags.rst
diff --git a/Documentation/vm/page_migration b/Documentation/vm/page_migration.rst
index 07b67a821a12..07b67a821a12 100644
--- a/Documentation/vm/page_migration
+++ b/Documentation/vm/page_migration.rst
diff --git a/Documentation/vm/page_owner.txt b/Documentation/vm/page_owner.rst
index 0ed5ab8c7ab4..0ed5ab8c7ab4 100644
--- a/Documentation/vm/page_owner.txt
+++ b/Documentation/vm/page_owner.rst
diff --git a/Documentation/vm/pagemap.txt b/Documentation/vm/pagemap.rst
index bd6d71740c88..d54b4bfd3043 100644
--- a/Documentation/vm/pagemap.txt
+++ b/Documentation/vm/pagemap.rst
@@ -18,7 +18,7 @@ There are four components to pagemap:
     * Bits 0-54  page frame number (PFN) if present
     * Bits 0-4   swap type if swapped
     * Bits 5-54  swap offset if swapped
-    * Bit  55    pte is soft-dirty (see Documentation/vm/soft-dirty.txt)
+    * Bit  55    pte is soft-dirty (see Documentation/vm/soft-dirty.rst)
     * Bit  56    page exclusively mapped (since 4.2)
     * Bits 57-60 zero
     * Bit  61    page is file-page or shared-anon (since 3.5)
@@ -97,7 +97,7 @@ Short descriptions to the page flags:
     A compound page with order N consists of 2^N physically contiguous pages.
     A compound page with order 2 takes the form of "HTTT", where H donates its
     head page and T donates its tail page(s).  The major consumers of compound
-    pages are hugeTLB pages (Documentation/vm/hugetlbpage.txt), the SLUB etc.
+    pages are hugeTLB pages (Documentation/vm/hugetlbpage.rst), the SLUB etc.
     memory allocators and various device drivers. However in this interface,
     only huge/giga pages are made visible to end users.
 16 - COMPOUND_TAIL
@@ -118,7 +118,7 @@ Short descriptions to the page flags:
     zero page for pfn_zero or huge_zero page
 25 - IDLE
     page has not been accessed since it was marked idle (see
-    Documentation/vm/idle_page_tracking.txt). Note that this flag may be
+    Documentation/vm/idle_page_tracking.rst). Note that this flag may be
     stale in case the page was accessed via a PTE. To make sure the flag
     is up-to-date one has to read ``/sys/kernel/mm/page_idle/bitmap`` first.
 
diff --git a/Documentation/vm/remap_file_pages.txt b/Documentation/vm/remap_file_pages.rst
index 7bef6718e3a9..7bef6718e3a9 100644
--- a/Documentation/vm/remap_file_pages.txt
+++ b/Documentation/vm/remap_file_pages.rst
diff --git a/Documentation/vm/slub.txt b/Documentation/vm/slub.rst
index 3a775fd64e2d..3a775fd64e2d 100644
--- a/Documentation/vm/slub.txt
+++ b/Documentation/vm/slub.rst
diff --git a/Documentation/vm/soft-dirty.txt b/Documentation/vm/soft-dirty.rst
index cb0cfd6672fa..cb0cfd6672fa 100644
--- a/Documentation/vm/soft-dirty.txt
+++ b/Documentation/vm/soft-dirty.rst
diff --git a/Documentation/vm/split_page_table_lock b/Documentation/vm/split_page_table_lock.rst
index 889b00be469f..889b00be469f 100644
--- a/Documentation/vm/split_page_table_lock
+++ b/Documentation/vm/split_page_table_lock.rst
diff --git a/Documentation/vm/swap_numa.txt b/Documentation/vm/swap_numa.rst
index e0466f2db8fa..e0466f2db8fa 100644
--- a/Documentation/vm/swap_numa.txt
+++ b/Documentation/vm/swap_numa.rst
diff --git a/Documentation/vm/transhuge.txt b/Documentation/vm/transhuge.rst
index 569d182cc973..569d182cc973 100644
--- a/Documentation/vm/transhuge.txt
+++ b/Documentation/vm/transhuge.rst
diff --git a/Documentation/vm/unevictable-lru.txt b/Documentation/vm/unevictable-lru.rst
index fdd84cb8d511..fdd84cb8d511 100644
--- a/Documentation/vm/unevictable-lru.txt
+++ b/Documentation/vm/unevictable-lru.rst
diff --git a/Documentation/vm/userfaultfd.txt b/Documentation/vm/userfaultfd.rst
index 5048cf661a8a..5048cf661a8a 100644
--- a/Documentation/vm/userfaultfd.txt
+++ b/Documentation/vm/userfaultfd.rst
diff --git a/Documentation/vm/z3fold.txt b/Documentation/vm/z3fold.rst
index 224e3c61d686..224e3c61d686 100644
--- a/Documentation/vm/z3fold.txt
+++ b/Documentation/vm/z3fold.rst
diff --git a/Documentation/vm/zsmalloc.txt b/Documentation/vm/zsmalloc.rst
index 6e79893d6132..6e79893d6132 100644
--- a/Documentation/vm/zsmalloc.txt
+++ b/Documentation/vm/zsmalloc.rst
diff --git a/Documentation/vm/zswap.txt b/Documentation/vm/zswap.rst
index 1444ecd40911..1444ecd40911 100644
--- a/Documentation/vm/zswap.txt
+++ b/Documentation/vm/zswap.rst
diff --git a/MAINTAINERS b/MAINTAINERS
index 3bdc260e36b7..575849a8343e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15406,7 +15406,7 @@ L:	linux-mm@kvack.org
 S:	Maintained
 F:	mm/zsmalloc.c
 F:	include/linux/zsmalloc.h
-F:	Documentation/vm/zsmalloc.txt
+F:	Documentation/vm/zsmalloc.rst
 
 ZSWAP COMPRESSED SWAP CACHING
 M:	Seth Jennings <sjenning@redhat.com>
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index e96adcbcab41..f53e5060afe7 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -584,7 +584,7 @@ config ARCH_DISCONTIGMEM_ENABLE
 	  Say Y to support efficient handling of discontiguous physical memory,
 	  for architectures which are either NUMA (Non-Uniform Memory Access)
 	  or have huge holes in the physical address space for other reasons.
-	  See <file:Documentation/vm/numa> for more.
+	  See <file:Documentation/vm/numa.rst> for more.
 
 source "mm/Kconfig"
 
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index bbe12a038d21..3ac9bf4cc2a0 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -397,7 +397,7 @@ config ARCH_DISCONTIGMEM_ENABLE
 	  Say Y to support efficient handling of discontiguous physical memory,
 	  for architectures which are either NUMA (Non-Uniform Memory Access)
 	  or have huge holes in the physical address space for other reasons.
- 	  See <file:Documentation/vm/numa> for more.
+	  See <file:Documentation/vm/numa.rst> for more.
 
 config ARCH_FLATMEM_ENABLE
 	def_bool y
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 8128c3b68d6b..4562810857eb 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2551,7 +2551,7 @@ config ARCH_DISCONTIGMEM_ENABLE
 	  Say Y to support efficient handling of discontiguous physical memory,
 	  for architectures which are either NUMA (Non-Uniform Memory Access)
 	  or have huge holes in the physical address space for other reasons.
-	  See <file:Documentation/vm/numa> for more.
+	  See <file:Documentation/vm/numa.rst> for more.
 
 config ARCH_SPARSEMEM_ENABLE
 	bool
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 73ce5dd07642..f8c0f10949ea 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -880,7 +880,7 @@ config PPC_MEM_KEYS
 	  page-based protections, but without requiring modification of the
 	  page tables when an application changes protection domains.
 
-	  For details, see Documentation/vm/protection-keys.txt
+	  For details, see Documentation/vm/protection-keys.rst
 
 	  If unsure, say y.
 
diff --git a/fs/Kconfig b/fs/Kconfig
index bc821a86d965..ba53dc2a9691 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -196,7 +196,7 @@ config HUGETLBFS
 	help
 	  hugetlbfs is a filesystem backing for HugeTLB pages, based on
 	  ramfs. For architectures that support it, say Y here and read
-	  <file:Documentation/vm/hugetlbpage.txt> for details.
+	  <file:Documentation/vm/hugetlbpage.rst> for details.
 
 	  If unsure, say N.
 
diff --git a/fs/dax.c b/fs/dax.c
index 0276df90e86c..0eb65c34d5a6 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -618,7 +618,7 @@ static void dax_mapping_entry_mkclean(struct address_space *mapping,
 		 * downgrading page table protection not changing it to point
 		 * to a new page.
 		 *
-		 * See Documentation/vm/mmu_notifier.txt
+		 * See Documentation/vm/mmu_notifier.rst
 		 */
 		if (pmdp) {
 #ifdef CONFIG_FS_DAX_PMD
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index ec6d2983a5cb..91d14c4ac04a 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -956,7 +956,7 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma,
 	/*
 	 * The soft-dirty tracker uses #PF-s to catch writes
 	 * to pages, so write-protect the pte as well. See the
-	 * Documentation/vm/soft-dirty.txt for full description
+	 * Documentation/vm/soft-dirty.rst for full description
 	 * of how soft-dirty works.
 	 */
 	pte_t ptent = *pte;
@@ -1436,7 +1436,7 @@ static int pagemap_hugetlb_range(pte_t *ptep, unsigned long hmask,
  * Bits 0-54  page frame number (PFN) if present
  * Bits 0-4   swap type if swapped
  * Bits 5-54  swap offset if swapped
- * Bit  55    pte is soft-dirty (see Documentation/vm/soft-dirty.txt)
+ * Bit  55    pte is soft-dirty (see Documentation/vm/soft-dirty.rst)
  * Bit  56    page exclusively mapped
  * Bits 57-60 zero
  * Bit  61    page is file-page or shared-anon
diff --git a/include/linux/hmm.h b/include/linux/hmm.h
index 325017ad9311..77be87c095f2 100644
--- a/include/linux/hmm.h
+++ b/include/linux/hmm.h
@@ -16,7 +16,7 @@
 /*
  * Heterogeneous Memory Management (HMM)
  *
- * See Documentation/vm/hmm.txt for reasons and overview of what HMM is and it
+ * See Documentation/vm/hmm.rst for reasons and overview of what HMM is and it
  * is for. Here we focus on the HMM API description, with some explanation of
  * the underlying implementation.
  *
diff --git a/include/linux/memremap.h b/include/linux/memremap.h
index 7b4899c06f49..74ea5e2310a8 100644
--- a/include/linux/memremap.h
+++ b/include/linux/memremap.h
@@ -45,7 +45,7 @@ struct vmem_altmap {
  * must be treated as an opaque object, rather than a "normal" struct page.
  *
  * A more complete discussion of unaddressable memory may be found in
- * include/linux/hmm.h and Documentation/vm/hmm.txt.
+ * include/linux/hmm.h and Documentation/vm/hmm.rst.
  *
  * MEMORY_DEVICE_PUBLIC:
  * Device memory that is cache coherent from device and CPU point of view. This
@@ -67,7 +67,7 @@ enum memory_type {
  *   page_free()
  *
  * Additional notes about MEMORY_DEVICE_PRIVATE may be found in
- * include/linux/hmm.h and Documentation/vm/hmm.txt. There is also a brief
+ * include/linux/hmm.h and Documentation/vm/hmm.rst. There is also a brief
  * explanation in include/linux/memory_hotplug.h.
  *
  * The page_fault() callback must migrate page back, from device memory to
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
index 2d07a1ed5a31..392e6af82701 100644
--- a/include/linux/mmu_notifier.h
+++ b/include/linux/mmu_notifier.h
@@ -174,7 +174,7 @@ struct mmu_notifier_ops {
 	 * invalidate_range_start()/end() notifiers, as
 	 * invalidate_range() alread catches the points in time when an
 	 * external TLB range needs to be flushed. For more in depth
-	 * discussion on this see Documentation/vm/mmu_notifier.txt
+	 * discussion on this see Documentation/vm/mmu_notifier.rst
 	 *
 	 * Note that this function might be called with just a sub-range
 	 * of what was passed to invalidate_range_start()/end(), if
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index 1149533aa2fa..df2c7d11f496 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -28,7 +28,7 @@ extern struct mm_struct *mm_alloc(void);
  *
  * Use mmdrop() to release the reference acquired by mmgrab().
  *
- * See also <Documentation/vm/active_mm.txt> for an in-depth explanation
+ * See also <Documentation/vm/active_mm.rst> for an in-depth explanation
  * of &mm_struct.mm_count vs &mm_struct.mm_users.
  */
 static inline void mmgrab(struct mm_struct *mm)
@@ -51,7 +51,7 @@ extern void mmdrop(struct mm_struct *mm);
  *
  * Use mmput() to release the reference acquired by mmget().
  *
- * See also <Documentation/vm/active_mm.txt> for an in-depth explanation
+ * See also <Documentation/vm/active_mm.rst> for an in-depth explanation
  * of &mm_struct.mm_count vs &mm_struct.mm_users.
  */
 static inline void mmget(struct mm_struct *mm)
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 7b6a59f722a3..4003973deff4 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -53,7 +53,7 @@ static inline int current_is_kswapd(void)
 
 /*
  * Unaddressable device memory support. See include/linux/hmm.h and
- * Documentation/vm/hmm.txt. Short description is we need struct pages for
+ * Documentation/vm/hmm.rst. Short description is we need struct pages for
  * device memory that is unaddressable (inaccessible) by CPU, so that we can
  * migrate part of a process memory to device memory.
  *
diff --git a/mm/Kconfig b/mm/Kconfig
index c782e8fb7235..b9f04213a353 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -312,7 +312,7 @@ config KSM
 	  the many instances by a single page with that content, so
 	  saving memory until one or another app needs to modify the content.
 	  Recommended for use with KVM, or with other duplicative applications.
-	  See Documentation/vm/ksm.txt for more information: KSM is inactive
+	  See Documentation/vm/ksm.rst for more information: KSM is inactive
 	  until a program has madvised that an area is MADV_MERGEABLE, and
 	  root has set /sys/kernel/mm/ksm/run to 1 (if CONFIG_SYSFS is set).
 
@@ -537,7 +537,7 @@ config MEM_SOFT_DIRTY
 	  into a page just as regular dirty bit, but unlike the latter
 	  it can be cleared by hands.
 
-	  See Documentation/vm/soft-dirty.txt for more details.
+	  See Documentation/vm/soft-dirty.rst for more details.
 
 config ZSWAP
 	bool "Compressed cache for swap pages (EXPERIMENTAL)"
@@ -664,7 +664,7 @@ config IDLE_PAGE_TRACKING
 	  be useful to tune memory cgroup limits and/or for job placement
 	  within a compute cluster.
 
-	  See Documentation/vm/idle_page_tracking.txt for more details.
+	  See Documentation/vm/idle_page_tracking.rst for more details.
 
 # arch_add_memory() comprehends device memory
 config ARCH_HAS_ZONE_DEVICE
diff --git a/mm/cleancache.c b/mm/cleancache.c
index f7b9fdc79d97..126548b5a292 100644
--- a/mm/cleancache.c
+++ b/mm/cleancache.c
@@ -3,7 +3,7 @@
  *
  * This code provides the generic "frontend" layer to call a matching
  * "backend" driver implementation of cleancache.  See
- * Documentation/vm/cleancache.txt for more information.
+ * Documentation/vm/cleancache.rst for more information.
  *
  * Copyright (C) 2009-2010 Oracle Corp. All rights reserved.
  * Author: Dan Magenheimer
diff --git a/mm/frontswap.c b/mm/frontswap.c
index fec8b5044040..4f5476a0f955 100644
--- a/mm/frontswap.c
+++ b/mm/frontswap.c
@@ -3,7 +3,7 @@
  *
  * This code provides the generic "frontend" layer to call a matching
  * "backend" driver implementation of frontswap.  See
- * Documentation/vm/frontswap.txt for more information.
+ * Documentation/vm/frontswap.rst for more information.
  *
  * Copyright (C) 2009-2012 Oracle Corp.  All rights reserved.
  * Author: Dan Magenheimer
diff --git a/mm/hmm.c b/mm/hmm.c
index 320545b98ff5..af176c6820cf 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -37,7 +37,7 @@
 
 #if defined(CONFIG_DEVICE_PRIVATE) || defined(CONFIG_DEVICE_PUBLIC)
 /*
- * Device private memory see HMM (Documentation/vm/hmm.txt) or hmm.h
+ * Device private memory see HMM (Documentation/vm/hmm.rst) or hmm.h
  */
 DEFINE_STATIC_KEY_FALSE(device_private_key);
 EXPORT_SYMBOL(device_private_key);
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 87ab9b8f56b5..6d5911673450 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1185,7 +1185,7 @@ static int do_huge_pmd_wp_page_fallback(struct vm_fault *vmf, pmd_t orig_pmd,
 	 * mmu_notifier_invalidate_range_end() happens which can lead to a
 	 * device seeing memory write in different order than CPU.
 	 *
-	 * See Documentation/vm/mmu_notifier.txt
+	 * See Documentation/vm/mmu_notifier.rst
 	 */
 	pmdp_huge_clear_flush_notify(vma, haddr, vmf->pmd);
 
@@ -2037,7 +2037,7 @@ static void __split_huge_zero_page_pmd(struct vm_area_struct *vma,
 	 * replacing a zero pmd write protected page with a zero pte write
 	 * protected page.
 	 *
-	 * See Documentation/vm/mmu_notifier.txt
+	 * See Documentation/vm/mmu_notifier.rst
 	 */
 	pmdp_huge_clear_flush(vma, haddr, pmd);
 
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 7c204e3d132b..5af974abae46 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3289,7 +3289,7 @@ int copy_hugetlb_page_range(struct mm_struct *dst, struct mm_struct *src,
 				 * table protection not changing it to point
 				 * to a new page.
 				 *
-				 * See Documentation/vm/mmu_notifier.txt
+				 * See Documentation/vm/mmu_notifier.rst
 				 */
 				huge_ptep_set_wrprotect(src, addr, src_pte);
 			}
@@ -4355,7 +4355,7 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
 	 * No need to call mmu_notifier_invalidate_range() we are downgrading
 	 * page table protection not changing it to point to a new page.
 	 *
-	 * See Documentation/vm/mmu_notifier.txt
+	 * See Documentation/vm/mmu_notifier.rst
 	 */
 	i_mmap_unlock_write(vma->vm_file->f_mapping);
 	mmu_notifier_invalidate_range_end(mm, start, end);
diff --git a/mm/ksm.c b/mm/ksm.c
index 293721f5da70..0b88698a9014 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1049,7 +1049,7 @@ static int write_protect_page(struct vm_area_struct *vma, struct page *page,
 		 * No need to notify as we are downgrading page table to read
 		 * only not changing it to point to a new page.
 		 *
-		 * See Documentation/vm/mmu_notifier.txt
+		 * See Documentation/vm/mmu_notifier.rst
 		 */
 		entry = ptep_clear_flush(vma, pvmw.address, pvmw.pte);
 		/*
@@ -1138,7 +1138,7 @@ static int replace_page(struct vm_area_struct *vma, struct page *page,
 	 * No need to notify as we are replacing a read only page with another
 	 * read only page with the same content.
 	 *
-	 * See Documentation/vm/mmu_notifier.txt
+	 * See Documentation/vm/mmu_notifier.rst
 	 */
 	ptep_clear_flush(vma, addr, ptep);
 	set_pte_at_notify(mm, addr, ptep, newpte);
diff --git a/mm/mmap.c b/mm/mmap.c
index 9efdc021ad22..39fc51d1639c 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2769,7 +2769,7 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size,
 	unsigned long ret = -EINVAL;
 	struct file *file;
 
-	pr_warn_once("%s (%d) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt.\n",
+	pr_warn_once("%s (%d) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst.\n",
 		     current->comm, current->pid);
 
 	if (prot)
diff --git a/mm/rmap.c b/mm/rmap.c
index 47db27f8049e..854b703fbe2a 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -942,7 +942,7 @@ static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma,
 		 * downgrading page table protection not changing it to point
 		 * to a new page.
 		 *
-		 * See Documentation/vm/mmu_notifier.txt
+		 * See Documentation/vm/mmu_notifier.rst
 		 */
 		if (ret)
 			(*cleaned)++;
@@ -1587,7 +1587,7 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
 			 * point at new page while a device still is using this
 			 * page.
 			 *
-			 * See Documentation/vm/mmu_notifier.txt
+			 * See Documentation/vm/mmu_notifier.rst
 			 */
 			dec_mm_counter(mm, mm_counter_file(page));
 		}
@@ -1597,7 +1597,7 @@ discard:
 		 * done above for all cases requiring it to happen under page
 		 * table lock before mmu_notifier_invalidate_range_end()
 		 *
-		 * See Documentation/vm/mmu_notifier.txt
+		 * See Documentation/vm/mmu_notifier.rst
 		 */
 		page_remove_rmap(subpage, PageHuge(page));
 		put_page(page);
diff --git a/mm/util.c b/mm/util.c
index c1250501364f..e857c80c6f4a 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -609,7 +609,7 @@ EXPORT_SYMBOL_GPL(vm_memory_committed);
  * succeed and -ENOMEM implies there is not.
  *
  * We currently support three overcommit policies, which are set via the
- * vm.overcommit_memory sysctl.  See Documentation/vm/overcommit-accounting
+ * vm.overcommit_memory sysctl.  See Documentation/vm/overcommit-accounting.rst
  *
  * Strict overcommit modes added 2002 Feb 26 by Alan Cox.
  * Additional code 2002 Jul 20 by Robert Love.