blob: a2b22f01a51d3a342cb8c28a97de11775aab06ce [file] [log] [blame]
Daniel De Graaf803eb042011-03-14 11:29:37 -04001/******************************************************************************
2 * Xen balloon functionality
3 */
4
5#define RETRY_UNLIMITED 0
6
7struct balloon_stats {
8 /* We aim for 'current allocation' == 'target allocation'. */
9 unsigned long current_pages;
10 unsigned long target_pages;
11 /* Number of pages in high- and low-memory balloons. */
12 unsigned long balloon_low;
13 unsigned long balloon_high;
14 unsigned long schedule_delay;
15 unsigned long max_schedule_delay;
16 unsigned long retry_count;
17 unsigned long max_retry_count;
18};
19
20extern struct balloon_stats balloon_stats;
21
22void balloon_set_new_target(unsigned long target);
Konrad Rzeszutek Wilkb6f30672011-03-15 10:23:57 -040023
24int alloc_xenballooned_pages(int nr_pages, struct page** pages);
25void free_xenballooned_pages(int nr_pages, struct page** pages);