mem_hotplug_begin/end() */
int kswapd_max_order;
enum zone_type classzone_idx;
+#ifdef CONFIG_COMPACTION
+ int kcompactd_max_order;
+ enum zone_type kcompactd_classzone_idx;
+ wait_queue_head_t kcompactd_wait;
+ struct task_struct *kcompactd;
+#endif
#ifdef CONFIG_NUMA_BALANCING
/* Lock serializing the migrate rate limiting window */
spinlock_t numabalancing_migrate_lock;
struct ctl_table;
int min_free_kbytes_sysctl_handler(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
+int watermark_scale_factor_sysctl_handler(struct ctl_table *, int,
+ void __user *, size_t *, loff_t *);
extern int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES-1];
int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int,
void __user *, size_t *, loff_t *);