slot_alloc.h File Reference

Slot management for memory allocator. More...

Data Structures
struct	slot_prealloc
	Instance data for pre-allocating slot allocator for 2 level cspace. More...
struct	slot_alloc_basecn
	Instance data for simple base-cnode allocator. More...

Functions
errval_t	slot_alloc_prealloc (void *inst, uint64_t nslots, struct capref *ret)
	Implementations of above interface.
errval_t	slot_alloc_dynamic (void *inst, uint64_t nslots, struct capref *ret)
	Requires an instance of range_slot_allocator.
errval_t	slot_prealloc_init (struct slot_prealloc *slot_alloc, uint8_t maxslotbits, struct capref initial_cnode, uint64_t initial_space, struct mm *ram_mm)
	Initialiser for the pre-allocating implementation. More...
errval_t	slot_prealloc_refill (struct slot_prealloc *inst)
	Refill function for the pre-allocating implementation. More...
errval_t	slot_alloc_basecn_init (struct slot_alloc_basecn *slot_alloc)
	Initialiser for the single-cnode implementation.

Variables
__BEGIN_DECLS typedef errval_t(*	slot_alloc_t )(void *inst, uint64_t nslots, struct capref *ret)
	Generic interface to slot allocator function.

Detailed Description

Slot management for memory allocator.

Function Documentation

errval_t slot_prealloc_init	(	struct slot_prealloc *	this,
		uint8_t	maxslotbits,
		struct capref	initial_cnode,
		uint64_t	initial_space,
		struct mm *	ram_mm
	)

Initialiser for the pre-allocating implementation.

Initialiser for the pre-allocating implementation.

Parameters

this	Pointer to area for instance data
maxslotbits	Maximum size of each allocation (in bits)
initial_cnode	First cap in an empty cnode to start allocating from
initial_space	Number of slots free in initial cnode
ram_mm	Memory allocator to use for RAM caps when creating new CNodes

errval_t slot_prealloc_refill

(

struct slot_prealloc *

this

)

Refill function for the pre-allocating implementation.

Refill function for the pre-allocating implementation.