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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>
This commit is contained in:
Mike Rapoport 2018-03-21 21:22:44 +02:00 committed by Jonathan Corbet
parent f9451df221
commit 44bc09eb3e
1 changed files with 5 additions and 1 deletions
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6
Documentation/vm/z3fold.txt
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@ -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 @@ It is a zbud derivative which allows for higher compression
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