| Mel Gorman | 748446b | 2010-05-24 14:32:27 -0700 | [diff] [blame] | 1 | #ifndef _LINUX_COMPACTION_H |
| 2 | #define _LINUX_COMPACTION_H |
| 3 | |
| 4 | /* Return values for compact_zone() */ |
| 5 | #define COMPACT_CONTINUE 0 |
| 6 | #define COMPACT_PARTIAL 1 |
| 7 | #define COMPACT_COMPLETE 2 |
| 8 | |
| Mel Gorman | 76ab0f5 | 2010-05-24 14:32:28 -0700 | [diff] [blame] | 9 | #ifdef CONFIG_COMPACTION |
| 10 | extern int sysctl_compact_memory; |
| 11 | extern int sysctl_compaction_handler(struct ctl_table *table, int write, |
| 12 | void __user *buffer, size_t *length, loff_t *ppos); |
| 13 | #endif /* CONFIG_COMPACTION */ |
| 14 | |
| Mel Gorman | ed4a6d7 | 2010-05-24 14:32:29 -0700 | [diff] [blame^] | 15 | #if defined(CONFIG_COMPACTION) && defined(CONFIG_SYSFS) && defined(CONFIG_NUMA) |
| 16 | extern int compaction_register_node(struct node *node); |
| 17 | extern void compaction_unregister_node(struct node *node); |
| 18 | |
| 19 | #else |
| 20 | |
| 21 | static inline int compaction_register_node(struct node *node) |
| 22 | { |
| 23 | return 0; |
| 24 | } |
| 25 | |
| 26 | static inline void compaction_unregister_node(struct node *node) |
| 27 | { |
| 28 | } |
| 29 | #endif /* CONFIG_COMPACTION && CONFIG_SYSFS && CONFIG_NUMA */ |
| 30 | |
| Mel Gorman | 748446b | 2010-05-24 14:32:27 -0700 | [diff] [blame] | 31 | #endif /* _LINUX_COMPACTION_H */ |