linux-kernel - [PATCH 4/8] xen/tmem: Fix compile warning.

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Date:	Wed,  8 May 2013 17:31:04 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	akpm@...ux-foundation.org, bob.liu@...cle.com,
	dan.magenheimer@...cle.com, xen-devel@...ts.xensource.com,
	linux-kernel@...r.kernel.org
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [PATCH 4/8] 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

Reported-by: kbuild test robot <fengguang.wu@...el.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
---
 drivers/xen/tmem.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

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 @@ __setup("nofrontswap", no_frontswap);
 #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
-- 
1.8.1.4

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