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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>
This commit is contained in:
Konrad Rzeszutek Wilk 2013-05-08 16:57:35 -04:00
parent e8f9cb034b
commit 23972c6399
1 changed files with 2 additions and 4 deletions
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6
drivers/xen/tmem.c
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@ -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