diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/xen/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/xen/xen-selfballoon.c | 25 |
2 files changed, 4 insertions, 26 deletions
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index 98e9744..9e02d60 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -19,11 +19,10 @@ config XEN_SELFBALLOONING by the current usage of anonymous memory ("committed AS") and controlled by various sysfs-settable parameters. Configuring FRONTSWAP is highly recommended; if it is not configured, self- - ballooning is disabled by default but can be enabled with the - 'selfballooning' kernel boot parameter. If FRONTSWAP is configured, + ballooning is disabled by default. If FRONTSWAP is configured, frontswap-selfshrinking is enabled by default but can be disabled with the 'tmem.selfshrink=0' kernel boot parameter; and self-ballooning - is enabled by default but can be disabled with the 'noselfballooning' + is enabled by default but can be disabled with the 'tmem.selfballooning=0' kernel boot parameter. Note that systems without a sufficiently large swap device should not enable self-ballooning. diff --git a/drivers/xen/xen-selfballoon.c b/drivers/xen/xen-selfballoon.c index 012f9d9..5d637e2 100644 --- a/drivers/xen/xen-selfballoon.c +++ b/drivers/xen/xen-selfballoon.c @@ -57,9 +57,9 @@ * configured, it is highly recommended that frontswap also be configured * and enabled when selfballooning is running. So, selfballooning * is disabled by default if frontswap is not configured and can only - * be enabled with the "selfballooning" kernel boot option; similarly + * be enabled with the "tmem.selfballooning=1" kernel boot option; similarly * selfballooning is enabled by default if frontswap is configured and - * can be disabled with the "noselfballooning" kernel boot option. Finally, + * can be disabled with the "tmem.selfballooning=0" kernel boot option. Finally, * when frontswap is configured,frontswap-selfshrinking can be disabled * with the "tmem.selfshrink=0" kernel boot option. * @@ -173,27 +173,6 @@ static void frontswap_selfshrink(void) frontswap_shrink(tgt_frontswap_pages); } -/* Disable with kernel boot option. */ -static bool use_selfballooning = true; - -static int __init xen_noselfballooning_setup(char *s) -{ - use_selfballooning = false; - return 1; -} - -__setup("noselfballooning", xen_noselfballooning_setup); -#else /* !CONFIG_FRONTSWAP */ -/* Enable with kernel boot option. */ -static bool use_selfballooning; - -static int __init xen_selfballooning_setup(char *s) -{ - use_selfballooning = true; - return 1; -} - -__setup("selfballooning", xen_selfballooning_setup); #endif /* CONFIG_FRONTSWAP */ #define MB2PAGES(mb) ((mb) << (20 - PAGE_SHIFT)) |