sys/vm/uma.h

43 #define UMA_SMALLEST_UNIT       (PAGE_SIZE / 256) /* Smallest item allocated */
57  *	item  A pointer to the memory which has been allocated.
59  *	size  The size of the allocated item
76  *	item  A pointer to the memory which has been allocated.
77  *	size  The size of the item being destructed.
94  *	item  A pointer to the memory which has been allocated.
95  *	size  The size of the item being initialized.
113  *	item  A pointer to memory which has been 'freed' but has not left the
115  *	size  The size of the item being discarded.
139  * The item is initialized when it is cached, and this is the state that the
311  * Allocates an item out of a zone
327  * Allocates an item out of a zone without supplying an argument
341  * Frees an item back into the specified zone.
344  *	zone  The zone the item was originally allocated out of.
345  *	item  The memory to be freed.
352 void uma_zfree_arg(uma_zone_t zone, void *item, void *arg);
355  * Frees an item back to a zone without supplying an argument
360 static __inline void uma_zfree(uma_zone_t zone, void *item);
363 uma_zfree(uma_zone_t zone, void *item)
365 	uma_zfree_arg(zone, item, NULL);
393  *	item  A pointer to the previously allocated pages.
400 typedef void (*uma_free)(void *item, vm_size_t size, uint8_t pflag);
614  * Used to lookup the reference counter allocated for an item
620  *	zone  The UMA_ZONE_REFCNT zone to which the item belongs.
621  *	item  The address of the item for which we want a refcnt.
626 uint32_t *uma_find_refcnt(uma_zone_t zone, void *item);
667 	uint32_t	uth_size;	/* Keg: requested size of item. */
668 	uint32_t	uth_rsize;	/* Keg: real size of item. */