xen/tmem: Fix compile warning.
We keep on getting:
drivers/xen/tmem.c:65:13: warning: ‘disable_frontswap_selfshrinking’ defined but not used [-Wunused-variable]
if CONFIG_FRONTSWAP=y and # CONFIG_CLEANCACHE is not set
Found by 0 day test project
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c
index c2ee188..30bf974 100644
--- a/drivers/xen/tmem.c
+++ b/drivers/xen/tmem.c
@@ -61,14 +61,12 @@
#endif
#endif /* CONFIG_FRONTSWAP */
-#ifdef CONFIG_FRONTSWAP
+#ifdef CONFIG_XEN_SELFBALLOONING
static bool disable_frontswap_selfshrinking __read_mostly;
#ifdef CONFIG_XEN_TMEM_MODULE
module_param(disable_frontswap_selfshrinking, bool, S_IRUGO);
-#else
-#define disable_frontswap_selfshrinking 1
#endif
-#endif /* CONFIG_FRONTSWAP */
+#endif /* CONFIG_XEN_SELFBALLOONING */
#define TMEM_CONTROL 0
#define TMEM_NEW_POOL 1