docs/vm: z3fold.txt: convert to ReST format
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/vm/z3fold.txt b/Documentation/vm/z3fold.txt
index 38e4dac..224e3c6 100644
--- a/Documentation/vm/z3fold.txt
+++ b/Documentation/vm/z3fold.txt
@@ -1,5 +1,8 @@
+.. _z3fold:
+
+======
z3fold
-------
+======
z3fold is a special purpose allocator for storing compressed pages.
It is designed to store up to three compressed pages per physical page.
@@ -7,6 +10,7 @@
ratio keeping the simplicity and determinism of its predecessor.
The main differences between z3fold and zbud are:
+
* unlike zbud, z3fold allows for up to PAGE_SIZE allocations
* z3fold can hold up to 3 compressed pages in its page
* z3fold doesn't export any API itself and is thus intended to be used