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| 2 | |
| 3 | * Xen balloon functionality
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| 4 |
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| 5 | #ifndef _XEN_BALLOON_H
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| 6 | #define _XEN_BALLOON_H
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| 7 |
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| 8 | #define RETRY_UNLIMITED 0
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| 9 |
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| 10 | struct balloon_stats {
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| 11 |
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| 12 | unsigned long current_pages;
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| 13 | unsigned long target_pages;
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| 14 | unsigned long target_unpopulated;
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| 15 |
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| 16 | unsigned long balloon_low;
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| 17 | unsigned long balloon_high;
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| 18 | unsigned long total_pages;
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| 19 | unsigned long schedule_delay;
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| 20 | unsigned long max_schedule_delay;
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| 21 | unsigned long retry_count;
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| 22 | unsigned long max_retry_count;
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| 23 | };
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| 24 |
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| 25 | extern struct balloon_stats balloon_stats;
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| 26 |
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| 27 | void balloon_set_new_target(unsigned long target);
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| 28 |
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| 29 | int xen_alloc_ballooned_pages(unsigned int nr_pages, struct page **pages);
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| 30 | void xen_free_ballooned_pages(unsigned int nr_pages, struct page **pages);
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| 31 |
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| 32 | #ifdef CONFIG_XEN_BALLOON
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| 33 | void xen_balloon_init(void);
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| 34 | #else
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| 35 | static inline void xen_balloon_init(void)
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| 36 | {
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| 37 | }
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| 38 | #endif
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| 39 |
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| 40 | #endif
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