Luna/kernel/include/memory/PMM.h

#pragma once
#include <stdint.h>

#define PMM_FAILED (void*)-1
#define PMM_DID_FAIL(addr) (void*)addr == PMM_FAILED

namespace PMM
{
    void init();

    void* request_page();
    void* request_pages(uint64_t count);

    void free_page(void* address);
    void free_pages(void* address, uint64_t count);

    void lock_page(void* address);
    void lock_pages(void* address, uint64_t count);

    uint64_t get_free();
    uint64_t get_used();
    uint64_t get_reserved();
};