Slab allocator

include/mem/slab.h

struct slab_elcm_candidate

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

struct slab_size_constant

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

struct slab_size_constant referenced types:

• struct list_head
• struct slab_elcm_candidate

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();

Defines

SLAB_SIZE_REGISTER(n, s, a)

#define SLAB_SIZE_REGISTER(n, s, a)                                            \ static struct slab_size_constant slab_size_constant_##n                    \ __attribute__((section(".kernel_slab_sizes"), used)) = {               \ .name = #n,                                                        \ .size = s,                                                         \ .align = a,                                                        \ .list = LIST_HEAD_INIT(slab_size_constant_##n.list),               \ .internal = {{0}},                                                 \ }

SLAB_SIZE_REGISTER_FOR_STRUCT(sname, al)

#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

---