diff options
| -rw-r--r-- | drivers/xen/tmem.c | 85 |
1 files changed, 45 insertions, 40 deletions
diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c index 5686d6d1a4b..edf7e18a1c0 100644 --- a/drivers/xen/tmem.c +++ b/drivers/xen/tmem.c @@ -20,6 +20,51 @@ #include <asm/xen/hypervisor.h> #include <xen/tmem.h> +#ifndef CONFIG_XEN_TMEM_MODULE +bool __read_mostly tmem_enabled = false; + +static int __init enable_tmem(char *s) +{ + tmem_enabled = true; + return 1; +} +__setup("tmem", enable_tmem); +#endif + +#ifdef CONFIG_CLEANCACHE +static bool disable_cleancache __read_mostly; +static bool disable_selfballooning __read_mostly; +#ifdef CONFIG_XEN_TMEM_MODULE +module_param(disable_cleancache, bool, S_IRUGO); +module_param(disable_selfballooning, bool, S_IRUGO); +#else +static int __init no_cleancache(char *s) +{ + disable_cleancache = true; + return 1; +} +__setup("nocleancache", no_cleancache); +#endif +#endif /* CONFIG_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) +{ + disable_frontswap = true; + return 1; +} +__setup("nofrontswap", no_frontswap); +#endif +#else /* CONFIG_FRONTSWAP */ +#define disable_frontswap_selfshrinking 1 +#endif /* CONFIG_FRONTSWAP */ + #define TMEM_CONTROL 0 #define TMEM_NEW_POOL 1 #define TMEM_DESTROY_POOL 2 @@ -125,16 +170,6 @@ static int xen_tmem_flush_object(u32 pool_id, struct tmem_oid oid) return xen_tmem_op(TMEM_FLUSH_OBJECT, pool_id, oid, 0, 0, 0, 0, 0); } -#ifndef CONFIG_XEN_TMEM_MODULE -bool __read_mostly tmem_enabled = false; - -static int __init enable_tmem(char *s) -{ - tmem_enabled = true; - return 1; -} -__setup("tmem", enable_tmem); -#endif #ifdef CONFIG_CLEANCACHE static int xen_tmem_destroy_pool(u32 pool_id) @@ -226,20 +261,6 @@ static int tmem_cleancache_init_shared_fs(char *uuid, size_t pagesize) return xen_tmem_new_pool(shared_uuid, TMEM_POOL_SHARED, pagesize); } -static bool disable_cleancache __read_mostly; -static bool disable_selfballooning __read_mostly; -#ifdef CONFIG_XEN_TMEM_MODULE -module_param(disable_cleancache, bool, S_IRUGO); -module_param(disable_selfballooning, bool, S_IRUGO); -#else -static int __init no_cleancache(char *s) -{ - disable_cleancache = true; - return 1; -} -__setup("nocleancache", no_cleancache); -#endif - static struct cleancache_ops tmem_cleancache_ops = { .put_page = tmem_cleancache_put_page, .get_page = tmem_cleancache_get_page, @@ -357,20 +378,6 @@ static void tmem_frontswap_init(unsigned ignored) xen_tmem_new_pool(private, TMEM_POOL_PERSIST, PAGE_SIZE); } -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) -{ - disable_frontswap = true; - return 1; -} -__setup("nofrontswap", no_frontswap); -#endif - static struct frontswap_ops tmem_frontswap_ops = { .store = tmem_frontswap_store, .load = tmem_frontswap_load, @@ -378,8 +385,6 @@ static struct frontswap_ops tmem_frontswap_ops = { .invalidate_area = tmem_frontswap_flush_area, .init = tmem_frontswap_init }; -#else /* CONFIG_FRONTSWAP */ -#define disable_frontswap_selfshrinking 1 #endif static int xen_tmem_init(void) |