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-rw-r--r--mm/Kconfig12
1 files changed, 11 insertions, 1 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index b0432b71137d..1a6a28ebcb8b 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -567,7 +567,7 @@ config ZPOOL
zsmalloc.
config ZBUD
- tristate "Low density storage for compressed pages"
+ tristate "Low (Up to 2x) density storage for compressed pages"
default n
help
A special purpose allocator for storing compressed pages.
@@ -576,6 +576,16 @@ config ZBUD
deterministic reclaim properties that make it preferable to a higher
density approach when reclaim will be used.
+config Z3FOLD
+ tristate "Up to 3x density storage for compressed pages"
+ depends on ZPOOL
+ default n
+ help
+ A special purpose allocator for storing compressed pages.
+ It is designed to store up to three compressed pages per physical
+ page. It is a ZBUD derivative so the simplicity and determinism are
+ still there.
+
config ZSMALLOC
tristate "Memory allocator for compressed pages"
depends on MMU