Lines Matching defs:swap_info_struct

246 struct swap_info_struct {  struct
247 	struct percpu_ref users;	/* indicate and keep swap device valid. */
248 	unsigned long	flags;		/* SWP_USED etc: see above */
249 	signed short	prio;		/* swap priority of this type */
250 	struct plist_node list;		/* entry in swap_active_head */
251 	signed char	type;		/* strange name for an index */
252 	unsigned int	max;		/* extent of the swap_map */
253 	unsigned char *swap_map;	/* vmalloc'ed array of usage counts */
254 	struct swap_cluster_info *cluster_info; /* cluster info. Only for SSD */
255 	struct swap_cluster_list free_clusters; /* free clusters list */
256 	unsigned int lowest_bit;	/* index of first free in swap_map */
257 	unsigned int highest_bit;	/* index of last free in swap_map */
258 	unsigned int pages;		/* total of usable pages of swap */
259 	unsigned int inuse_pages;	/* number of those currently in use */
260 	unsigned int cluster_next;	/* likely index for next allocation */
261 	unsigned int cluster_nr;	/* countdown to next cluster search */
262 	unsigned int __percpu *cluster_next_cpu; /*percpu index for next allocation */
263 	struct percpu_cluster __percpu *percpu_cluster; /* per cpu's swap location */
264 	struct rb_root swap_extent_root;/* root of the swap extent rbtree */
265 	struct block_device *bdev;	/* swap device or bdev of swap file */
266 	struct file *swap_file;		/* seldom referenced */
267 	unsigned int old_block_size;	/* seldom referenced */
268 	struct completion comp;		/* seldom referenced */
270 	unsigned long *frontswap_map;	/* frontswap in-use, one bit per page */
271 	atomic_t frontswap_pages;	/* frontswap pages in-use counter */
273 	spinlock_t lock;		/*
286 	spinlock_t cont_lock;		/*
290 	struct work_struct discard_work; /* discard worker */
291 	struct swap_cluster_list discard_clusters; /* discard clusters list */
292 	struct plist_node avail_lists[]; /*