linux-kernel - [PATCH 3/9] xen/tmem: Split out the different module/boot options.

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Date:	Tue, 14 May 2013 14:09:20 -0400
From:	Konrad Rzeszutek Wilk <konrad@...nel.org>
To:	bob.liu@...cle.com, dan.magenheimer@...cle.com,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	linux-mm@...ck.org, xen-devel@...ts.xensource.com
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [PATCH 3/9] xen/tmem: Split out the different module/boot options.

There are three options - depending on what combination of
CONFIG_FRONTSWAP, CONFIG_CLEANCACHE and CONFIG_XEN_SELFBALLOONING
is used. Lets split them out nicely out in three groups to
make it easier to clean up.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
---
 drivers/xen/tmem.c |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c
index edf7e18..c2ee188 100644
--- a/drivers/xen/tmem.c
+++ b/drivers/xen/tmem.c
@@ -49,10 +49,8 @@ __setup("nocleancache", no_cleancache);
 
 #ifdef CONFIG_FRONTSWAP
 static bool disable_frontswap __read_mostly;
-static bool disable_frontswap_selfshrinking __read_mostly;
 #ifdef CONFIG_XEN_TMEM_MODULE
 module_param(disable_frontswap, bool, S_IRUGO);
-module_param(disable_frontswap_selfshrinking, bool, S_IRUGO);
 #else
 static int __init no_frontswap(char *s)
 {
@@ -61,8 +59,15 @@ static int __init no_frontswap(char *s)
 }
 __setup("nofrontswap", no_frontswap);
 #endif
-#else /* CONFIG_FRONTSWAP */
+#endif /* CONFIG_FRONTSWAP */
+
+#ifdef CONFIG_FRONTSWAP
+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 */
 
 #define TMEM_CONTROL               0
-- 
1.7.7.6

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