range_slot_alloc.c File Reference

Slot allocator capable of allocating more than one slot at a time. More...

Functions
errval_t	range_slot_alloc (struct range_slot_allocator *alloc, cslot_t nslots, struct capref *ret)
	Allocate slots out of a cnode. More...
errval_t	range_slot_free (struct range_slot_allocator *alloc, struct capref cap, cslot_t nslots)
	Free slots belonging to the cnode. More...
errval_t	range_slot_alloc_init (struct range_slot_allocator *ret, cslot_t nslots, cslot_t *retslots)
	Constructor for a new instance of a single cnode cspace_allocator. More...

Detailed Description

Slot allocator capable of allocating more than one slot at a time.

Function Documentation

errval_t range_slot_alloc	(	struct range_slot_allocator *	alloc,
		cslot_t	nslots,
		struct capref *	ret
	)

Allocate slots out of a cnode.

Parameters

alloc	Pointer to the metadata
nslots	Number of slots to allocate
ret	Pointer used to return the allocated slot

errval_t range_slot_alloc_init	(	struct range_slot_allocator *	ret,
		cslot_t	nslots,
		cslot_t *	retslots
	)

Constructor for a new instance of a single cnode cspace_allocator.

Parameters

ret	Instance of the allocator created
nslots	Desired number of slots the cnode should have
ret_slots	Number of slots actually used

errval_t range_slot_free	(	struct range_slot_allocator *	alloc,
		struct capref	cap,
		cslot_t	nslots
	)

Free slots belonging to the cnode.

Parameters

alloc	Pointer to the metadata
cap	Slot to start freeing from
nslots	Number of slots to free