diff options
Diffstat (limited to 'drivers/xen/xen-balloon.c')
| -rw-r--r-- | drivers/xen/xen-balloon.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c index 294f35ce9e46..2acbfe104e46 100644 --- a/drivers/xen/xen-balloon.c +++ b/drivers/xen/xen-balloon.c @@ -44,6 +44,7 @@ #include <xen/xenbus.h> #include <xen/features.h> #include <xen/page.h> +#include <xen/mem-reservation.h> #define PAGES2KB(_p) ((_p)<<(PAGE_SHIFT-10)) @@ -75,12 +76,15 @@ static void watch_target(struct xenbus_watch *watch, if (!watch_fired) { watch_fired = true; - err = xenbus_scanf(XBT_NIL, "memory", "static-max", "%llu", - &static_max); - if (err != 1) - static_max = new_target; - else + + if ((xenbus_scanf(XBT_NIL, "memory", "static-max", + "%llu", &static_max) == 1) || + (xenbus_scanf(XBT_NIL, "memory", "memory_static_max", + "%llu", &static_max) == 1)) static_max >>= PAGE_SHIFT - 10; + else + static_max = new_target; + target_diff = (xen_pv_domain() || xen_initial_domain()) ? 0 : static_max - balloon_stats.target_pages; } @@ -137,6 +141,7 @@ static DEVICE_ULONG_ATTR(schedule_delay, 0444, balloon_stats.schedule_delay); static DEVICE_ULONG_ATTR(max_schedule_delay, 0644, balloon_stats.max_schedule_delay); static DEVICE_ULONG_ATTR(retry_count, 0444, balloon_stats.retry_count); static DEVICE_ULONG_ATTR(max_retry_count, 0644, balloon_stats.max_retry_count); +static DEVICE_BOOL_ATTR(scrub_pages, 0644, xen_scrub_pages); static ssize_t show_target_kb(struct device *dev, struct device_attribute *attr, char *buf) @@ -203,6 +208,7 @@ static struct attribute *balloon_attrs[] = { &dev_attr_max_schedule_delay.attr.attr, &dev_attr_retry_count.attr.attr, &dev_attr_max_retry_count.attr.attr, + &dev_attr_scrub_pages.attr.attr, NULL }; |
