Slab allocator

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

Structs

slab_elcm_candidate

struct slab_elcm_candidate {
    size_t  pages;
    size_t  bitmap_size_bytes;
    size_t  obj_count;
};

slab_size_constant

struct slab_size_constant {
    const char        *name;
    size_t            size;
    size_t            align;
    struct list_head  list;
    struct {
        struct slab_elcm_candidate  cand;
    } internal;
};

Functions

slab_allocator_init

void slab_allocator_init();

slab_domain_init

void slab_domain_init(void);

slab_domains_print

void slab_domains_print();

slab_domain_init_late

void slab_domain_init_late();

Macros

SLAB_SIZE_REGISTER

#define SLAB_SIZE_REGISTER(n, s, a) \
    LINKER_SECTION_OBJECT(struct slab_size_constant, slab_sizes) \
    slab_size_constant_##n = { \
        .name = #n, \
        .size = s, \
        .align = a, \
        .list = LIST_HEAD_INIT(slab_size_constant_##n.list), \
        .internal = {{0}}, \
    }

SLAB_SIZE_REGISTER_FOR_STRUCT

#define SLAB_SIZE_REGISTER_FOR_STRUCT(sname, al) \
    SLAB_SIZE_REGISTER(sname, sizeof(struct sname), al)

SLAB_OBJ_ALIGN_DEFAULT

#define SLAB_OBJ_ALIGN_DEFAULT 8u

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