Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
+.. _z3fold:
+
+======
z3fold
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+======
z3fold is a special purpose allocator for storing compressed pages.
It is designed to store up to three compressed pages per physical page.
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