Merge branch 'mm-rst' into docs-next

Mike Rapoport says:

  These patches convert files in Documentation/vm to ReST format, add an
  initial index and link it to the top level documentation.

  There are no contents changes in the documentation, except few spelling
  fixes. The relatively large diffstat stems from the indentation and
  paragraph wrapping changes.

  I've tried to keep the formatting as consistent as possible, but I could
  miss some places that needed markup and add some markup where it was not
  necessary.

[jc: significant conflicts in vm/hmm.rst]

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/dax.c b/fs/dax.c
index aaec72ded1b6..aa86d9f971a4 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -677,7 +677,7 @@ 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