Lines Matching defs:swap_info_struct

293 struct swap_info_struct {  struct
294 	struct percpu_ref users;	/* indicate and keep swap device valid. */
295 	unsigned long	flags;		/* SWP_USED etc: see above */
296 	signed short	prio;		/* swap priority of this type */
297 	struct plist_node list;		/* entry in swap_active_head */
298 	signed char	type;		/* strange name for an index */
299 	unsigned int	max;		/* extent of the swap_map */
300 	unsigned char *swap_map;	/* vmalloc'ed array of usage counts */
301 	unsigned long *zeromap;		/* kvmalloc'ed bitmap to track zero pages */
302 	struct swap_cluster_info *cluster_info; /* cluster info. Only for SSD */
303 	struct list_head free_clusters; /* free clusters list */
304 	struct list_head full_clusters; /* full clusters list */
305 	struct list_head nonfull_clusters[SWAP_NR_ORDERS];
307 	struct list_head frag_clusters[SWAP_NR_ORDERS];
309 	unsigned int frag_cluster_nr[SWAP_NR_ORDERS];
310 	unsigned int lowest_bit;	/* index of first free in swap_map */
311 	unsigned int highest_bit;	/* index of last free in swap_map */
312 	unsigned int pages;		/* total of usable pages of swap */
313 	unsigned int inuse_pages;	/* number of those currently in use */
314 	unsigned int cluster_next;	/* likely index for next allocation */
315 	unsigned int cluster_nr;	/* countdown to next cluster search */
316 	unsigned int __percpu *cluster_next_cpu; /*percpu index for next allocation */
317 	struct percpu_cluster __percpu *percpu_cluster; /* per cpu's swap location */
318 	struct rb_root swap_extent_root;/* root of the swap extent rbtree */
319 	struct block_device *bdev;	/* swap device or bdev of swap file */
320 	struct file *swap_file;		/* seldom referenced */
321 	struct completion comp;		/* seldom referenced */
322 	spinlock_t lock;		/*
335 	spinlock_t cont_lock;		/*
339 	struct work_struct discard_work; /* discard worker */
340 	struct work_struct reclaim_work; /* reclaim worker */
341 	struct list_head discard_clusters; /* discard clusters list */
342 	struct plist_node avail_lists[]; /*