Buddy allocator

include/mem/buddy.h

struct free_area

Member Type	Member Name
struct page	*next
uint64_t	nr_free

• void buddy_add_to_free_area(struct page *page,struct free_area *area)
• struct page *buddy_remove_from_free_area(struct free_area *area)
• paddr_tbuddy_alloc_pages_global(size_t count,uint16_t flags)
• void buddy_free_pages_global(paddr_t addr,uint64_t count)
• void buddy_add_entry(struct page *page_array,struct limine_memmap_entry *entry,struct free_area *farea)
• paddr_tbuddy_alloc_pages(struct free_area *free_area,size_t count)
• void buddy_free_pages(paddr_t addr,size_t count,struct free_area *free_area,size_t total_pages)
• void buddy_init(void)

Defines

• MAX_ORDER: 23

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