#pragma once
#include <luna/Result.h>
#include <luna/Types.h>

// Simple bitmap allocator which hands out kernel-space virtual addresses for use in kmalloc() and friends.
namespace KernelVM
{
    void init();

    Result<u64> alloc_one_page();
    Result<u64> alloc_several_pages(usize count);

    Result<void> free_one_page(u64 address);
    Result<void> free_several_pages(u64 address, usize count);

    usize free();
    usize used();
}