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elcm

include/mem/elcm.h View source View on GitHub

Structs

Section titled “Structs”

elcm_candidate

Section titled “elcm_candidate”
struct elcm_candidate (10 fields) source
§ size_t pages
§ size_t wasted

bytes; negative when metadata_size_bytes exceeds slack

§ fx32_32_t wastage

fraction in [0, 1)

§ size_t distance
§ fx32_32_t score_value
§ size_t obj_count
§ size_t bitmap_bytes
§ size_t metadata_bytes
§ size_t obj_size
§ size_t obj_alignment

elcm_params

Section titled “elcm_params”
struct elcm_params (11 fields) source
§ size_t obj_alignment
§ size_t obj_size
§ size_t max_wastage_pct
§ size_t max_pages
§ bool bias_towards_pow2
§ size_t metadata_size_bytes
§ size_t metadata_bits_per_obj
§ size_t metadata_bytes_per_page
§ void *(*alloc_fn)(size_t size)

If NULL, defaults to valloc

§ void (*free_fn)(void *ptr, size_t size)
§ struct elcm_candidate out

Functions

Section titled “Functions”

elcm

Section titled “elcm”
enum err elcm(struct elcm_params *params)
source

Macros

Section titled “Macros”

ELCM_MAX_WASTAGE_DEFAULT

Section titled “ELCM_MAX_WASTAGE_DEFAULT”
#define ELCM_MAX_WASTAGE_DEFAULT 1
source