xen/self-balloon: Add dependency on tmem.

Without enabling CONFIG_XEN_TMEM we get this:

drivers/xen/xen-selfballoon.c:461: undefined reference to `tmem_enabled'

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index f815283667affd00f568fd16e8452d11ede21f89..5f7ff8e2fc1433c39229fce28d4fca39fe8ace73 100644 (file)
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -11,7 +11,7 @@ config XEN_BALLOON
 
 config XEN_SELFBALLOONING
        bool "Dynamically self-balloon kernel memory to target"
-       depends on XEN && XEN_BALLOON && CLEANCACHE && SWAP
+       depends on XEN && XEN_BALLOON && CLEANCACHE && SWAP && XEN_TMEM
        default n
        help
          Self-ballooning dynamically balloons available kernel memory driven