staging: zcache: remove unnecessary config option dependence

zcache is enabled only if one of CONFIG_CLEANCACHE and CONFIG_FRONTSWAP is
enabled, see the Kconfig:
	depends on (CLEANCACHE || FRONTSWAP) && CRYPTO=y && X86
So, we can remove the check in the source code

Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Xiao Guangrong 2012-06-26 16:50:31 +08:00 committed by Greg Kroah-Hartman
parent a16554474f
commit f64d94f9f7

View file

@ -36,9 +36,6 @@
#include "../zsmalloc/zsmalloc.h"
#if (!defined(CONFIG_CLEANCACHE) && !defined(CONFIG_FRONTSWAP))
#error "zcache is useless without CONFIG_CLEANCACHE or CONFIG_FRONTSWAP"
#endif
#ifdef CONFIG_CLEANCACHE
#include <linux/cleancache.h>
#endif
@ -2028,7 +2025,7 @@ static int __init zcache_init(void)
goto out;
}
#endif /* CONFIG_SYSFS */
#if defined(CONFIG_CLEANCACHE) || defined(CONFIG_FRONTSWAP)
if (zcache_enabled) {
unsigned int cpu;
@ -2059,7 +2056,7 @@ static int __init zcache_init(void)
pr_err("zcache: can't create client\n");
goto out;
}
#endif
#ifdef CONFIG_CLEANCACHE
if (zcache_enabled && use_cleancache) {
struct cleancache_ops old_ops;