1 /******************************************************************************
2 * Xen balloon functionality
5 #define RETRY_UNLIMITED 0
8 /* We aim for 'current allocation' == 'target allocation'. */
9 unsigned long current_pages;
10 unsigned long target_pages;
11 unsigned long target_unpopulated;
12 /* Number of pages in high- and low-memory balloons. */
13 unsigned long balloon_low;
14 unsigned long balloon_high;
15 unsigned long total_pages;
16 unsigned long schedule_delay;
17 unsigned long max_schedule_delay;
18 unsigned long retry_count;
19 unsigned long max_retry_count;
22 extern struct balloon_stats balloon_stats;
24 void balloon_set_new_target(unsigned long target);
26 int alloc_xenballooned_pages(int nr_pages, struct page **pages);
27 void free_xenballooned_pages(int nr_pages, struct page **pages);
30 #ifdef CONFIG_XEN_SELFBALLOONING
31 extern int register_xen_selfballooning(struct device *dev);
33 static inline int register_xen_selfballooning(struct device *dev)