diff options
| -rw-r--r-- | Documentation/kernel-parameters.txt | 20 | ||||
| -rw-r--r-- | drivers/xen/tmem.c | 28 |
2 files changed, 24 insertions, 24 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index c3bfacb92910..3de01edca3ea 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -3005,6 +3005,26 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Force threading of all interrupt handlers except those marked explicitly IRQF_NO_THREAD. + tmem [KNL,XEN] + Enable the Transcendent memory driver if built-in. + + tmem.cleancache=0|1 [KNL, XEN] + Default is on (1). Disable the usage of the cleancache + API to send anonymous pages to the hypervisor. + + tmem.frontswap=0|1 [KNL, XEN] + Default is on (1). Disable the usage of the frontswap + API to send swap pages to the hypervisor. + + tmem.selfballooning=0|1 [KNL, XEN] + Default is on (1). Disable the driving of swap pages + to the hypervisor. + + tmem.selfshrinking=0|1 [KNL, XEN] + Default is on (1). Partial swapoff that immediately + transfers pages from Xen hypervisor back to the + kernel based on different criteria. + topology= [S390] Format: {off | on} Specify if the kernel should make use of the cpu diff --git a/drivers/xen/tmem.c b/drivers/xen/tmem.c index 411c7e3df46c..c1df0ff89878 100644 --- a/drivers/xen/tmem.c +++ b/drivers/xen/tmem.c @@ -33,39 +33,19 @@ __setup("tmem", enable_tmem); #ifdef CONFIG_CLEANCACHE static bool cleancache __read_mostly = true; -static bool selfballooning __read_mostly = true; -#ifdef CONFIG_XEN_TMEM_MODULE module_param(cleancache, bool, S_IRUGO); +static bool selfballooning __read_mostly = true; module_param(selfballooning, bool, S_IRUGO); -#else -static int __init no_cleancache(char *s) -{ - cleancache = false; - return 1; -} -__setup("nocleancache", no_cleancache); -#endif #endif /* CONFIG_CLEANCACHE */ #ifdef CONFIG_FRONTSWAP static bool frontswap __read_mostly = true; -#ifdef CONFIG_XEN_TMEM_MODULE module_param(frontswap, bool, S_IRUGO); -#else -static int __init no_frontswap(char *s) -{ - frontswap = false; - return 1; -} -__setup("nofrontswap", no_frontswap); -#endif #endif /* CONFIG_FRONTSWAP */ #ifdef CONFIG_XEN_SELFBALLOONING -static bool frontswap_selfshrinking __read_mostly = true; -#ifdef CONFIG_XEN_TMEM_MODULE -module_param(frontswap_selfshrinking, bool, S_IRUGO); -#endif +static bool selfshrinking __read_mostly = true; +module_param(selfshrinking, bool, S_IRUGO); #endif /* CONFIG_XEN_SELFBALLOONING */ #define TMEM_CONTROL 0 @@ -423,7 +403,7 @@ static int xen_tmem_init(void) } #endif #ifdef CONFIG_XEN_SELFBALLOONING - xen_selfballoon_init(selfballooning, frontswap_selfshrinking); + xen_selfballoon_init(selfballooning, selfshrinking); #endif return 0; } |