[net-next-2.6.git] / include / linux / compaction.h

#ifndef _LINUX_COMPACTION_H
#define _LINUX_COMPACTION_H

/* Return values for compact_zone() */
#define COMPACT_CONTINUE	0
#define COMPACT_PARTIAL		1
#define COMPACT_COMPLETE	2

#ifdef CONFIG_COMPACTION
extern int sysctl_compact_memory;
extern int sysctl_compaction_handler(struct ctl_table *table, int write,
			void __user *buffer, size_t *length, loff_t *ppos);
#endif /* CONFIG_COMPACTION */

#if defined(CONFIG_COMPACTION) && defined(CONFIG_SYSFS) && defined(CONFIG_NUMA)
extern int compaction_register_node(struct node *node);
extern void compaction_unregister_node(struct node *node);

#else

static inline int compaction_register_node(struct node *node)
{
	return 0;
}

static inline void compaction_unregister_node(struct node *node)
{
}
#endif /* CONFIG_COMPACTION && CONFIG_SYSFS && CONFIG_NUMA */

#endif /* _LINUX_COMPACTION_H */
Commit	Line	Data
748446bb MG	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
76ab0f53 MG	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
ed4a6d7f MG	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
748446bb	31	#endif /* _LINUX_COMPACTION_H */