diff options
author | James Bottomley <JBottomley@Parallels.com> | 2013-06-26 23:08:22 -0700 |
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committer | James Bottomley <JBottomley@Parallels.com> | 2013-06-26 23:08:22 -0700 |
commit | a9e94ec3504ead4b87a929bc57f5aa99a6590437 (patch) | |
tree | b6e7aaec0e844dc066e93296a85e5769542ef525 /drivers/xen/xen-selfballoon.c | |
parent | 36a279686bc02d340eb213a9f2a0b67e50de64b4 (diff) | |
parent | 2884d4230867c8a46cf701214051e923301e7429 (diff) |
Merge tag 'fcoe1' into fixes
This patch fixes a critical bug that was introduced in 3.9
related to VLAN tagging FCoE frames.
Diffstat (limited to 'drivers/xen/xen-selfballoon.c')
-rw-r--r-- | drivers/xen/xen-selfballoon.c | 47 |
1 files changed, 6 insertions, 41 deletions
diff --git a/drivers/xen/xen-selfballoon.c b/drivers/xen/xen-selfballoon.c index f2ef569c7cc..f70984a892a 100644 --- a/drivers/xen/xen-selfballoon.c +++ b/drivers/xen/xen-selfballoon.c @@ -53,15 +53,12 @@ * System configuration note: Selfballooning should not be enabled on * systems without a sufficiently large swap device configured; for best * results, it is recommended that total swap be increased by the size - * of the guest memory. Also, while technically not required to be - * 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 - * selfballooning is enabled by default if frontswap is configured and - * can be disabled with the "noselfballooning" kernel boot option. Finally, - * when frontswap is configured, frontswap-selfshrinking can be disabled - * with the "noselfshrink" kernel boot option. + * of the guest memory. Note, that selfballooning should be disabled by default + * if frontswap is not configured. Similarly selfballooning should be enabled + * by default if frontswap is configured and 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. * * Selfballooning is disallowed in domain0 and force-disabled. * @@ -120,9 +117,6 @@ static DECLARE_DELAYED_WORK(selfballoon_worker, selfballoon_process); /* Enable/disable with sysfs. */ static bool frontswap_selfshrinking __read_mostly; -/* Enable/disable with kernel boot option. */ -static bool use_frontswap_selfshrink = true; - /* * The default values for the following parameters were deemed reasonable * by experimentation, may be workload-dependent, and can all be @@ -176,35 +170,6 @@ static void frontswap_selfshrink(void) frontswap_shrink(tgt_frontswap_pages); } -static int __init xen_nofrontswap_selfshrink_setup(char *s) -{ - use_frontswap_selfshrink = false; - return 1; -} - -__setup("noselfshrink", xen_nofrontswap_selfshrink_setup); - -/* 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)) |