diff options
Diffstat (limited to 'include/xen/balloon.h')
| -rw-r--r-- | include/xen/balloon.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/xen/balloon.h b/include/xen/balloon.h new file mode 100644 index 000000000000..a2b22f01a51d --- /dev/null +++ b/include/xen/balloon.h @@ -0,0 +1,25 @@ +/****************************************************************************** + * Xen balloon functionality + */ + +#define RETRY_UNLIMITED 0 + +struct balloon_stats { + /* We aim for 'current allocation' == 'target allocation'. */ + unsigned long current_pages; + unsigned long target_pages; + /* Number of pages in high- and low-memory balloons. */ + unsigned long balloon_low; + unsigned long balloon_high; + unsigned long schedule_delay; + unsigned long max_schedule_delay; + unsigned long retry_count; + unsigned long max_retry_count; +}; + +extern struct balloon_stats balloon_stats; + +void balloon_set_new_target(unsigned long target); + +int alloc_xenballooned_pages(int nr_pages, struct page** pages); +void free_xenballooned_pages(int nr_pages, struct page** pages); |