void _slab_page_insert(page_t* page, meta_t* meta)
{
list_head_t* head;
head = _slab_free_page(meta->size);
// page not full, then add list
if (head == &g_slab_minor && list_not_in_link(&page->link)) {
list_add(&page->link, head);
} else if (head == &g_slab_common && list_not_in_link(&page->link)) {
list_add(&page->link, head);
}
}
static void
_slab_page_insert(page_t* page, meta_t* meta) {
list_head_t* head = _slab_free_page(meta->size);
if (head == &g_slab_minor) {
list_del(&page->link);
list_add(&page->link, head);
} else if (head == &g_slab_common) {
list_del(&page->link);
list_add(&page->link, head);
}
}
void* slab_alloc(size_t sz)
{
meta_t* meta;
page_t* page;
list_head_t* head;
void* memory;
if (sz == 0) return NULL;
sz = SLAB_ALIGN(sz);
// try different list, if exceeds max return null
head = _slab_free_page(sz);
if (!head) return NULL;
// alloc from free page
list_for_each_entry(page, page_t, head, link) {
memory = _slab_alloc(page, head, sz);
if (memory) return memory;
}
