[RFC][PATCH] mm: make zbud znd zpool to depend on zswap

[Sergey Senozhatsky]

There are no zbud and zpool users besides zswap so enabling
(and building) CONFIG_ZPOOL and CONFIG_ZBUD make sense only
when CONFIG_ZSWAP is enabled. In other words, make those
options to depend on CONFIG_ZSWAP.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
---
 mm/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/Kconfig b/mm/Kconfig
index 3455a8d..eb48422 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -563,6 +563,7 @@ config ZSWAP
 
 config ZPOOL
 	tristate "Common API for compressed memory storage"
+	depends on ZSWAP
 	default n
 	help
 	  Compressed memory storage API.  This allows using either zbud or
@@ -570,6 +571,7 @@ config ZPOOL
 
 config ZBUD
 	tristate "Low density storage for compressed pages"
+	depends on ZSWAP
 	default n
 	help
 	  A special purpose allocator for storing compressed pages.
-- 
2.5.1

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