staging: zcache: make zcache builtin only

zcache cannot currently be loaded as a module.  However
the Kconfig allows it to be built as a module; something that
the user probably does not intend since the module is not
loadable.

This patch switches zcache from a tristate to a bool in the Kconfig

Signed-off-by: Seth Jennings <[email protected]>
Acked-by: Dan Magenheimer <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

diff --git a/drivers/staging/zcache/Kconfig b/drivers/staging/zcache/Kconfig
index 5a36fcfd87c00e08c0454e73262be882022d3146..3ed2c8f656a52d8ce46eae00e6ff908314a507fa 100644 (file)
--- a/drivers/staging/zcache/Kconfig
+++ b/drivers/staging/zcache/Kconfig
@@ -1,5 +1,5 @@
 config ZCACHE
-       tristate "Dynamic compression of swap pages and clean pagecache pages"
+       bool "Dynamic compression of swap pages and clean pagecache pages"
        # X86 dependency is because zsmalloc uses non-portable pte/tlb
        # functions
        depends on (CLEANCACHE || FRONTSWAP) && CRYPTO && X86